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Lake Marburg 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Lake Marburg

Pennsylvania, United States Of America

Long range weather outlook for Lake Marburg includes 14 day forecast summary:

Over the next 14 days the Lake Marburg forecast suggests the average daytime maximum temperature will be around 24°C, with a high for the two weeks of 29°C expected on the afternoon of Thursday 23rd. The average minimum temperature will be 13°C, dipping to its lowest on the morning of Saturday 25th at 9°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. The indicators are that Saturday 18th will have the most precipitation with an accumulation of around 24.0mm. On the whole winds are likely to be moderate.

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

NE
NE

 5 / 10 mph 55 / 54°F 97%
Low level cloud: 79%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 3 / 5 mph 57 / 57°F 93%
Low level cloud: 84%
Mid level cloud: 35%
High level cloud: 8%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

NE
NE

 4 / 5 mph 59 / 59°F 91%
Low level cloud: 90%
Mid level cloud: 17%
High level cloud: 52%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

E
E

 4 / 5 mph 67 / 65°F 78%
Low level cloud: 77%
Mid level cloud: 13%
High level cloud: 22%
Most Significant Cloud Type: low
84%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 6 / 7 mph 70 / 69°F 69%
Low level cloud: 86%
Mid level cloud: 13%
High level cloud: 32%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 8 / 11 mph 66 / 66°F 81%
Low level cloud: 85%
Mid level cloud: 52%
High level cloud: 51%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 8 / 13 mph 63 / 63°F 82%
Low level cloud: 87%
Mid level cloud: 58%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 10 / 14 mph 61 / 61°F 89%
Low level cloud: 96%
Mid level cloud: 82%
High level cloud: 94%
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

S
S

 7 / 12 mph 56 / 55°F 96%
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 42%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SE
SE

 6 / 10 mph 55 / 54°F 99%
Low level cloud: 99%
Mid level cloud: 86%
High level cloud: 92%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
07:00

ESE
ESE

 9 / 13 mph 55 / 52°F 98%
Low level cloud: 96%
Mid level cloud: 95%
High level cloud: 13%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
10:00

ESE
ESE

 8 / 9 mph 58 / 57°F 98%
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 22%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
13:00

E
E

 6 / 7 mph 61 / 61°F 97%
Low level cloud: 100%
Mid level cloud: 95%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
16:00

E
E

 5 / 6 mph 62 / 62°F 97%
Low level cloud: 98%
Mid level cloud: 78%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

E
E

 2 / 2 mph 61 / 60°F 97%
Low level cloud: 97%
Mid level cloud: 96%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNE
NNE

 2 / 2 mph 58 / 60°F 98%
Low level cloud: 83%
Mid level cloud: 63%
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

NNE
NNE

 3 / 4 mph 54 / 54°F 98%
Low level cloud: 88%
Mid level cloud: 44%
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

NNE
NNE

 4 / 7 mph 52 / 51°F 99%
Low level cloud: 81%
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
07:00

NNE
NNE

 4 / 5 mph 58 / 56°F 94%
Low level cloud: 70%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
77%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNE
NNE

 5 / 5 mph 64 / 64°F 79%
Low level cloud: 96%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 3 / 4 mph 67 / 66°F 75%
Low level cloud: 84%
Mid level cloud: 21%
High level cloud: 0%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

NW
NW

 0 / 0 mph 71 / 67°F 76%
Low level cloud: 48%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SW
SW

 4 / 7 mph 67 / 64°F 89%
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
22:00

S
S

 4 / 6 mph 61 / 61°F 92%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

SSW
SSW

 2 / 3 mph 57 / 57°F 93%
Low level cloud: 5%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 4 / 7 mph 54 / 54°F 96%
Low level cloud: 32%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 4 / 5 mph 59 / 58°F 94%
Low level cloud: 74%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 3 / 3 mph 69 / 66°F 81%
Low level cloud: 68%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 4 / 5 mph 77 / 77°F 69%
Low level cloud: 56%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 3 / 4 mph 78 / 77°F 65%
Low level cloud: 50%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 5 / 7 mph 74 / 76°F 82%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 6 / 10 mph 63 / 63°F 91%
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
Tue 21
May		01:00

SSW
SSW

 6 / 12 mph 58 / 58°F 94%
Low level cloud: 1%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSW
SSW

 5 / 10 mph 56 / 55°F 96%
Low level cloud: 17%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

 6 / 7 mph 64 / 61°F 88%
Low level cloud: 16%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 7 / 8 mph 74 / 76°F 73%
Low level cloud: 9%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 8 / 9 mph 78 / 79°F 63%
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 7 / 9 mph 79 / 79°F 63%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 8 / 14 mph 72 / 70°F 85%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 7 / 14 mph 61 / 61°F 92%
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 22
May		01:00

S
S

 6 / 13 mph 58 / 58°F 93%
Low level cloud: 0%
Mid level cloud: 12%
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

SSW
SSW

 5 / 11 mph 56 / 56°F 91%
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 7 / 11 mph 64 / 62°F 81%
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
10:00

SSW
SSW

 9 / 11 mph 74 / 77°F 71%
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 11 / 13 mph 80 / 81°F 64%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 2%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 8 / 11 mph 82 / 83°F 67%
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 33%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 10 / 21 mph 69 / 67°F 88%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 96%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 7 / 13 mph 64 / 64°F 95%
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
60%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
Thu 23
May		01:00

S
S

 9 / 16 mph 63 / 64°F 95%
Low level cloud: 3%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 7 / 13 mph 62 / 62°F 97%
Low level cloud: 39%
Mid level cloud: 11%
High level cloud: 8%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSW
SSW

 9 / 12 mph 69 / 66°F 95%
Low level cloud: 66%
Mid level cloud: 8%
High level cloud: 22%
Most Significant Cloud Type: low
71%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 10 / 12 mph 79 / 81°F 77%
Low level cloud: 1%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 12 / 15 mph 84 / 87°F 66%
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 100%
Most Significant Cloud Type: medium
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 13 / 19 mph 80 / 82°F 71%
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 44%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

WSW
WSW

 8 / 16 mph 74 / 76°F 79%
Low level cloud: 5%
Mid level cloud: 7%
High level cloud: 33%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

WNW
WNW

 9 / 17 mph 66 / 66°F 79%
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
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

NNW
NNW

 10 / 20 mph 58 / 55°F 68%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 42%
Most Significant Cloud Type: high
42%
0.0 In
07:00

WNW
WNW

 9 / 13 mph 62 / 62°F 80%
Low level cloud: 3%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
27%
0.0 In
13:00

SSW
SSW

 9 / 16 mph 80 / 81°F 53%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
19:00

SE
SE

 7 / 15 mph 69 / 69°F 73%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Sat 25
May		01:00

NE
NE

 4 / 8 mph 64 / 64°F 93%
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
07:00

NW
NW

 12 / 25 mph 53 / 50°F 74%
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
13:00

ESE
ESE

 7 / 14 mph 71 / 71°F 70%
Low level cloud: 57%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: low
57%
0.0 In
19:00

SE
SE

 5 / 11 mph 68 / 68°F 78%
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 11%
Most Significant Cloud Type: medium
10%
0.0 In
Sun 26
May		01:00

SSE
SSE

 8 / 17 mph 52 / 49°F 97%
Low level cloud: 68%
Mid level cloud: 6%
High level cloud: 4%
Most Significant Cloud Type: low
71%
0.0 In
07:00

S
S

 4 / 8 mph 66 / 66°F 89%
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
48%
0.0 In
13:00

S
S

 11 / 23 mph 67 / 67°F 90%
Low level cloud: 87%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
19:00

E
E

 2 / 4 mph 77 / 80°F 79%
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: medium
26%
0.0 In
Mon 27
May		01:00

ESE
ESE

 0 / 1 mph 68 / 68°F 95%
Low level cloud: 20%
Mid level cloud: 0%
High level cloud: 70%
Most Significant Cloud Type: low
28%
0.0 In
07:00

SSW
SSW

 13 / 28 mph 67 / 67°F 95%
Low level cloud: 51%
Mid level cloud: 30%
High level cloud: 19%
Most Significant Cloud Type: low
64%
0.1 In
13:00

SSW
SSW

 4 / 8 mph 83 / 87°F 64%
Low level cloud: 21%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
27%
0.0 In
19:00

WSW
WSW

 4 / 9 mph 73 / 77°F 88%
Low level cloud: 11%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: medium
79%
0.1 In
Tue 28
May		01:00

N
N

 2 / 4 mph 67 / 67°F 96%
Low level cloud: 42%
Mid level cloud: 51%
High level cloud: 100%
Most Significant Cloud Type: low
71%
0.3 In
07:00

SW
SW

 5 / 11 mph 68 / 68°F 96%
Low level cloud: 88%
Mid level cloud: 32%
High level cloud: 10%
Most Significant Cloud Type: low
100%
0.5 In
13:00

NE
NE

 8 / 16 mph 67 / 67°F 93%
Low level cloud: 86%
Mid level cloud: 68%
High level cloud: 16%
Most Significant Cloud Type: low
100%
0.0 In
19:00

NNW
NNW

 13 / 27 mph 65 / 65°F 84%
Low level cloud: 24%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.2 In
Wed 29
May		01:00

ESE
ESE

 7 / 14 mph 64 / 64°F 98%
Low level cloud: 96%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
07:00

N
N

 10 / 20 mph 60 / 60°F 86%
Low level cloud: 41%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
44%
0.0 In
13:00

ESE
ESE

 6 / 12 mph 68 / 68°F 94%
Low level cloud: 93%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
19:00

SE
SE

 5 / 11 mph 67 / 67°F 83%
Low level cloud: 6%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
0.0 In
Thu 30
May		01:00

NW
NW

 1 / 2 mph 63 / 64°F 93%
Low level cloud: 46%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.1 In
07:00

SSE
SSE

 9 / 19 mph 61 / 61°F 91%
Low level cloud: 40%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
48%
0.0 In
13:00

WSW
WSW

 8 / 16 mph 74 / 77°F 58%
Low level cloud: 66%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
81%
0.0 In
19:00

SE
SE

 17 / 36 mph 61 / 62°F 85%
Low level cloud: 35%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
63%
0.0 In
Fri 31
May		01:00

NW
NW

 0 / 0 mph 68 / 68°F 87%
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 10%
Most Significant Cloud Type: medium
19%
0.0 In
07:00

NE
NE

 4 / 9 mph 57 / 57°F 98%
Low level cloud: 100%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.5 In
13:00

SSE
SSE

 6 / 13 mph 78 / 80°F 64%
Low level cloud: 12%
Mid level cloud: 25%
High level cloud: 98%
Most Significant Cloud Type: low
32%
0.0 In
19:00

WSW
WSW

 12 / 26 mph 59 / 56°F 82%
Low level cloud: 24%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
30%
0.1 In
Sat 01
Jun		01:00

ESE
ESE

 9 / 20 mph 61 / 62°F 97%
Low level cloud: 74%
Mid level cloud: 85%
High level cloud: 18%
Most Significant Cloud Type: low
100%
0.4 In
07:00

W
W

 15 / 31 mph 56 / 52°F 78%
Low level cloud: 92%
Mid level cloud: 23%
High level cloud: 2%
Most Significant Cloud Type: low
99%
0.0 In
13:00

SW
SW

 9 / 19 mph 73 / 77°F 83%
Low level cloud: 69%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: low
78%
0.1 In
19:00

WNW
WNW

 11 / 22 mph 60 / 60°F 72%
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 4%
Most Significant Cloud Type: medium
16%
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