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Brookville 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Brookville

Pennsylvania, United States Of America

Long range weather outlook for Brookville includes 14 day forecast summary:

The outlook for Brookville in the two weeks ahead shows the average daytime maximum temperature will be around 26°C, with a high for the two weeks of 29°C expected on the afternoon of Tuesday 21st. The average minimum temperature will be 11°C, dipping to its lowest on the morning of Saturday 25th at 4°C. Expect the coming 14 days to have some days seeing a little precipitation and some days with rain. Current predictions suggest Friday 17th will have the most precipitation with an accumulation of around 13.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 17
May		01:00

SE
SE

 5 / 11 mph 52 / 50°F 96%
Low level cloud: 13%
Mid level cloud: 21%
High level cloud: 32%
Most Significant Cloud Type: low
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 6 / 13 mph 53 / 51°F 97%
Low level cloud: 49%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 7 / 9 mph 62 / 60°F 89%
Low level cloud: 36%
Mid level cloud: 42%
High level cloud: 34%
Most Significant Cloud Type: low
54%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

 9 / 11 mph 71 / 69°F 78%
Low level cloud: 10%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 6 / 10 mph 61 / 60°F 98%
Low level cloud: 69%
Mid level cloud: 92%
High level cloud: 39%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
16:00

S
S

 9 / 13 mph 60 / 60°F 99%
Low level cloud: 100%
Mid level cloud: 64%
High level cloud: 62%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

SSW
SSW

 7 / 10 mph 60 / 60°F 99%
Low level cloud: 97%
Mid level cloud: 78%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSW
SSW

 7 / 9 mph 59 / 59°F 99%
Low level cloud: 99%
Mid level cloud: 52%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 18
May		01:00

SSW
SSW

 6 / 8 mph 59 / 58°F 99%
Low level cloud: 98%
Mid level cloud: 82%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 3 / 5 mph 58 / 58°F 99%
Low level cloud: 92%
Mid level cloud: 44%
High level cloud: 99%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 2 / 3 mph 60 / 59°F 98%
Low level cloud: 99%
Mid level cloud: 71%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 2 / 3 mph 61 / 61°F 97%
Low level cloud: 85%
Mid level cloud: 67%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 1 / 1 mph 74 / 76°F 75%
Low level cloud: 37%
Mid level cloud: 27%
High level cloud: 1%
Most Significant Cloud Type: low
46%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

E
E

 3 / 4 mph 75 / 76°F 73%
Low level cloud: 40%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 4 / 9 mph 63 / 62°F 94%
Low level cloud: 73%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 5 / 10 mph 54 / 53°F 98%
Low level cloud: 49%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 19
May		01:00

ESE
ESE

 4 / 8 mph 50 / 49°F 98%
Low level cloud: 59%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 3 / 7 mph 50 / 49°F 98%
Low level cloud: 52%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 3 / 4 mph 59 / 58°F 94%
Low level cloud: 51%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

ESE
ESE

 2 / 2 mph 76 / 76°F 64%
Low level cloud: 12%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 2 / 2 mph 83 / 80°F 47%
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 4 / 5 mph 83 / 80°F 45%
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

NW
NW

 3 / 7 mph 69 / 66°F 79%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 3 / 6 mph 57 / 58°F 95%
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

ESE
ESE

 4 / 8 mph 54 / 54°F 97%
Low level cloud: 8%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

ESE
ESE

 4 / 8 mph 53 / 52°F 97%
Low level cloud: 6%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

ESE
ESE

 1 / 1 mph 66 / 63°F 85%
Low level cloud: 8%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

 5 / 6 mph 78 / 78°F 60%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 5 / 6 mph 84 / 82°F 48%
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

WSW
WSW

 5 / 6 mph 83 / 81°F 51%
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 2 / 3 mph 70 / 68°F 75%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 2 / 4 mph 60 / 60°F 87%
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 21
May		01:00

SE
SE

 3 / 6 mph 57 / 57°F 93%
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 3 / 6 mph 54 / 55°F 94%
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 4 / 5 mph 67 / 65°F 77%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 7 / 9 mph 79 / 79°F 56%
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 8 / 9 mph 85 / 83°F 47%
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SW
SW

 8 / 9 mph 85 / 83°F 47%
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 2%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 4 / 7 mph 70 / 68°F 80%
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 3%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 4 / 8 mph 61 / 61°F 84%
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 11%
Most Significant Cloud Type: medium
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		01:00

SE
SE

 4 / 8 mph 58 / 58°F 94%
Low level cloud: 3%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 4 / 9 mph 56 / 56°F 93%
Low level cloud: 3%
Mid level cloud: 46%
High level cloud: 15%
Most Significant Cloud Type: medium
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 6 / 8 mph 70 / 67°F 78%
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 11%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 11 / 12 mph 80 / 81°F 63%
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SW
SW

 12 / 15 mph 80 / 82°F 75%
Low level cloud: 7%
Mid level cloud: 30%
High level cloud: 94%
Most Significant Cloud Type: medium
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 11 / 23 mph 70 / 69°F 90%
Low level cloud: 12%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
84%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
19:00

SE
SE

 3 / 7 mph 67 / 65°F 95%
Low level cloud: 17%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
35%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
22:00

SSE
SSE

 4 / 8 mph 60 / 60°F 96%
Low level cloud: 18%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Thu 23
May		01:00

S
S

 5 / 11 mph 59 / 58°F 98%
Low level cloud: 52%
Mid level cloud: 18%
High level cloud: 83%
Most Significant Cloud Type: low
68%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SSW
SSW

 10 / 18 mph 64 / 64°F 95%
Low level cloud: 33%
Mid level cloud: 16%
High level cloud: 93%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

 11 / 14 mph 69 / 67°F 93%
Low level cloud: 52%
Mid level cloud: 33%
High level cloud: 21%
Most Significant Cloud Type: low
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SW
SW

 14 / 17 mph 74 / 76°F 82%
Low level cloud: 29%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 17 / 20 mph 80 / 80°F 54%
Low level cloud: 0%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 15 / 18 mph 74 / 76°F 65%
Low level cloud: 8%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 13 / 17 mph 62 / 60°F 78%
Low level cloud: 19%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 10 / 14 mph 57 / 54°F 72%
Low level cloud: 33%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
32%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityCloud AmountPrecip AmountWeather
Fri 24
May		01:00

SW
SW

 3 / 6 mph 46 / 45°F 90%
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
0.0 In
07:00

WNW
WNW

 9 / 19 mph 54 / 51°F 75%
Low level cloud: 24%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
23%
0.0 In
13:00

SW
SW

 8 / 17 mph 81 / 81°F 41%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
19:00

SSE
SSE

 3 / 7 mph 66 / 66°F 71%
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Sat 25
May		01:00

NE
NE

 3 / 6 mph 51 / 51°F 97%
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
11%
0.0 In
07:00

WNW
WNW

 6 / 12 mph 48 / 46°F 76%
Low level cloud: 41%
Mid level cloud: 3%
High level cloud: 5%
Most Significant Cloud Type: low
42%
0.0 In
13:00

S
S

 6 / 12 mph 80 / 82°F 50%
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
19:00

S
S

 3 / 6 mph 60 / 60°F 92%
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
47%
0.0 In
Sun 26
May		01:00

SSE
SSE

 10 / 22 mph 62 / 62°F 90%
Low level cloud: 17%
Mid level cloud: 8%
High level cloud: 21%
Most Significant Cloud Type: low
22%
0.0 In
07:00

SSW
SSW

 10 / 20 mph 62 / 62°F 98%
Low level cloud: 89%
Mid level cloud: 83%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.4 In
13:00

SW
SW

 9 / 19 mph 73 / 77°F 89%
Low level cloud: 69%
Mid level cloud: 0%
High level cloud: 14%
Most Significant Cloud Type: low
70%
0.4 In
19:00

SSW
SSW

 4 / 9 mph 67 / 67°F 93%
Low level cloud: 20%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
22%
0.0 In
Mon 27
May		01:00

WSW
WSW

 3 / 6 mph 53 / 53°F 95%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 13%
Most Significant Cloud Type: high
13%
0.0 In
07:00

SSW
SSW

 8 / 17 mph 64 / 64°F 99%
Low level cloud: 100%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.6 In
13:00

W
W

 4 / 9 mph 72 / 76°F 66%
Low level cloud: 0%
Mid level cloud: 49%
High level cloud: 41%
Most Significant Cloud Type: medium
50%
0.0 In
19:00

N
N

 2 / 5 mph 70 / 70°F 98%
Low level cloud: 62%
Mid level cloud: 44%
High level cloud: 18%
Most Significant Cloud Type: low
79%
0.2 In
Tue 28
May		01:00

NNE
NNE

 4 / 7 mph 55 / 55°F 98%
Low level cloud: 53%
Mid level cloud: 24%
High level cloud: 7%
Most Significant Cloud Type: low
62%
0.3 In
07:00

N
N

 9 / 18 mph 58 / 57°F 97%
Low level cloud: 95%
Mid level cloud: 67%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.6 In
13:00

ESE
ESE

 8 / 16 mph 68 / 68°F 75%
Low level cloud: 76%
Mid level cloud: 39%
High level cloud: 44%
Most Significant Cloud Type: low
95%
0.0 In
19:00

N
N

 6 / 14 mph 61 / 61°F 81%
Low level cloud: 0%
Mid level cloud: 38%
High level cloud: 0%
Most Significant Cloud Type: medium
38%
0.1 In
Wed 29
May		01:00

E
E

 6 / 12 mph 59 / 58°F 98%
Low level cloud: 98%
Mid level cloud: 33%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
07:00

NE
NE

 3 / 7 mph 57 / 57°F 88%
Low level cloud: 24%
Mid level cloud: 10%
High level cloud: 79%
Most Significant Cloud Type: low
37%
0.0 In
13:00

W
W

 9 / 20 mph 63 / 63°F 82%
Low level cloud: 90%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
19:00

E
E

 3 / 6 mph 63 / 63°F 80%
Low level cloud: 0%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
23%
0.0 In
Thu 30
May		01:00

SSW
SSW

 3 / 6 mph 50 / 50°F 96%
Low level cloud: 13%
Mid level cloud: 55%
High level cloud: 0%
Most Significant Cloud Type: medium
91%
0.0 In
07:00

SE
SE

 12 / 25 mph 63 / 63°F 81%
Low level cloud: 15%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
25%
0.0 In
13:00

WSW
WSW

 8 / 16 mph 64 / 64°F 86%
Low level cloud: 29%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
37%
0.1 In
19:00

SE
SE

 16 / 34 mph 59 / 59°F 97%
Low level cloud: 99%
Mid level cloud: 56%
High level cloud: 19%
Most Significant Cloud Type: low
100%
0.5 In
Fri 31
May		01:00

SSE
SSE

 1 / 2 mph 51 / 51°F 94%
Low level cloud: 6%
Mid level cloud: 8%
High level cloud: 89%
Most Significant Cloud Type: medium
28%
0.1 In
07:00

S
S

 10 / 21 mph 57 / 54°F 96%
Low level cloud: 94%
Mid level cloud: 67%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.3 In
13:00

SW
SW

 5 / 10 mph 77 / 78°F 44%
Low level cloud: 0%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: medium
14%
0.0 In
19:00

SW
SW

 11 / 24 mph 52 / 48°F 97%
Low level cloud: 96%
Mid level cloud: 65%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
Sat 01
Jun		01:00

E
E

 7 / 15 mph 60 / 60°F 99%
Low level cloud: 98%
Mid level cloud: 98%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.3 In
07:00

WSW
WSW

 13 / 28 mph 48 / 43°F 99%
Low level cloud: 100%
Mid level cloud: 86%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.3 In
13:00

W
W

 7 / 14 mph 65 / 65°F 96%
Low level cloud: 69%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: low
84%
0.2 In
19:00

W
W

 11 / 23 mph 57 / 55°F 72%
Low level cloud: 5%
Mid level cloud: 21%
High level cloud: 22%
Most Significant Cloud Type: medium
37%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
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Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure