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Duncannon 14 Day Long Range Forecast

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

Pennsylvania, United States Of America

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

Reviewing the forecast for Duncannon Over the next 14 days and the average daytime maximum temperature will be around 25°C, with a high for the two weeks of 29°C expected on the afternoon of Wednesday 22nd. The average minimum temperature will be 12°C, dipping to its lowest on the morning of Saturday 25th at 8°C. Expect the following 14 days ahead to have some days seeing a little precipitation and some days with rain. Predictions are Saturday 18th will have the most precipitation with an accumulation of around 22.0mm. On the whole winds are likely to be light.

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

NNE
NNE

 3 / 6 mph 54 / 54°F 96%
Low level cloud: 70%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NE
NE

 3 / 6 mph 56 / 56°F 94%
Low level cloud: 69%
Mid level cloud: 26%
High level cloud: 60%
Most Significant Cloud Type: low
85%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

E
E

 1 / 2 mph 63 / 60°F 90%
Low level cloud: 48%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SE
SE

 6 / 6 mph 70 / 67°F 71%
Low level cloud: 61%
Mid level cloud: 12%
High level cloud: 30%
Most Significant Cloud Type: low
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SE
SE

 8 / 9 mph 72 / 76°F 63%
Low level cloud: 83%
Mid level cloud: 13%
High level cloud: 92%
Most Significant Cloud Type: low
98%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 7 / 9 mph 67 / 67°F 77%
Low level cloud: 88%
Mid level cloud: 59%
High level cloud: 30%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 5 / 8 mph 62 / 62°F 90%
Low level cloud: 99%
Mid level cloud: 93%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 5 / 8 mph 61 / 61°F 96%
Low level cloud: 100%
Mid level cloud: 70%
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

SSE
SSE

 5 / 10 mph 56 / 55°F 99%
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 85%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SSE
SSE

 5 / 10 mph 55 / 53°F 99%
Low level cloud: 100%
Mid level cloud: 76%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.5 In of precipitation over the past 3 hours.
0.5 In
07:00

SE
SE

 7 / 11 mph 54 / 52°F 99%
Low level cloud: 96%
Mid level cloud: 74%
High level cloud: 96%
Most Significant Cloud Type: low
100%
Expect 0.2 In of precipitation over the past 3 hours.
0.2 In
10:00

SE
SE

 5 / 5 mph 58 / 57°F 98%
Low level cloud: 100%
Mid level cloud: 63%
High level cloud: 33%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
13:00

E
E

 4 / 4 mph 60 / 60°F 97%
Low level cloud: 94%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SE
SE

 3 / 3 mph 61 / 61°F 95%
Low level cloud: 97%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 2 / 2 mph 60 / 59°F 96%
Low level cloud: 98%
Mid level cloud: 49%
High level cloud: 1%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

S
S

 2 / 2 mph 57 / 57°F 98%
Low level cloud: 85%
Mid level cloud: 46%
High level cloud: 1%
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

 0 / 1 mph 51 / 51°F 98%
Low level cloud: 82%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

N
N

 1 / 2 mph 50 / 50°F 98%
Low level cloud: 81%
Mid level cloud: 19%
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

N
N

 1 / 1 mph 59 / 57°F 93%
Low level cloud: 75%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 1 / 1 mph 69 / 68°F 70%
Low level cloud: 88%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 1 / 2 mph 77 / 77°F 63%
Low level cloud: 72%
Mid level cloud: 9%
High level cloud: 0%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSW
SSW

 3 / 3 mph 76 / 77°F 66%
Low level cloud: 17%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSW
SSW

 4 / 7 mph 67 / 64°F 89%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 0%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SW
SW

 2 / 5 mph 58 / 59°F 95%
Low level cloud: 4%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 20
May		01:00

SW
SW

 1 / 2 mph 56 / 56°F 96%
Low level cloud: 18%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 2 / 4 mph 54 / 55°F 97%
Low level cloud: 30%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

 2 / 2 mph 65 / 62°F 90%
Low level cloud: 46%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 3 / 4 mph 76 / 76°F 68%
Low level cloud: 42%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 6 / 7 mph 81 / 80°F 58%
Low level cloud: 16%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 6 / 7 mph 81 / 80°F 60%
Low level cloud: 6%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

S
S

 5 / 10 mph 70 / 68°F 87%
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

 2 / 5 mph 62 / 62°F 93%
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
Tue 21
May		01:00

S
S

 3 / 5 mph 59 / 60°F 95%
Low level cloud: 8%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SSE
SSE

 2 / 5 mph 56 / 57°F 97%
Low level cloud: 26%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

 3 / 3 mph 66 / 63°F 88%
Low level cloud: 29%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 7 / 8 mph 77 / 77°F 65%
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
13:00

S
S

 8 / 9 mph 82 / 82°F 55%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

S
S

 9 / 10 mph 82 / 82°F 59%
Low level cloud: 6%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 5 / 11 mph 71 / 69°F 84%
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
22:00

SSE
SSE

 4 / 9 mph 62 / 62°F 89%
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
Wed 22
May		01:00

SE
SE

 4 / 8 mph 59 / 59°F 95%
Low level cloud: 7%
Mid level cloud: 8%
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

 3 / 7 mph 57 / 57°F 95%
Low level cloud: 11%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SSE
SSE

 3 / 4 mph 66 / 64°F 83%
Low level cloud: 10%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

S
S

 7 / 8 mph 78 / 78°F 65%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 1%
Most Significant Cloud Type: medium
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

S
S

 10 / 11 mph 84 / 85°F 58%
Low level cloud: 0%
Mid level cloud: 7%
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

 11 / 12 mph 85 / 86°F 63%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 24%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 8 / 14 mph 73 / 76°F 87%
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 58%
Most Significant Cloud Type: medium
24%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SE
SE

 3 / 6 mph 64 / 64°F 98%
Low level cloud: 46%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
68%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
Thu 23
May		01:00

S
S

 3 / 6 mph 62 / 62°F 97%
Low level cloud: 22%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

SE
SE

 4 / 7 mph 60 / 60°F 98%
Low level cloud: 75%
Mid level cloud: 15%
High level cloud: 18%
Most Significant Cloud Type: low
82%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

SSE
SSE

 4 / 4 mph 67 / 66°F 97%
Low level cloud: 90%
Mid level cloud: 5%
High level cloud: 6%
Most Significant Cloud Type: low
92%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 7 / 9 mph 80 / 80°F 76%
Low level cloud: 26%
Mid level cloud: 13%
High level cloud: 45%
Most Significant Cloud Type: low
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WSW
WSW

 11 / 15 mph 83 / 84°F 69%
Low level cloud: 8%
Mid level cloud: 39%
High level cloud: 64%
Most Significant Cloud Type: medium
65%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

W
W

 15 / 18 mph 82 / 83°F 62%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 39%
Most Significant Cloud Type: high
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

W
W

 8 / 15 mph 72 / 69°F 71%
Low level cloud: 2%
Mid level cloud: 8%
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

WNW
WNW

 9 / 15 mph 65 / 65°F 75%
Low level cloud: 6%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
5%
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

NW
NW

 3 / 6 mph 55 / 56°F 78%
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 31%
Most Significant Cloud Type: high
31%
0.0 In
07:00

WNW
WNW

 9 / 14 mph 62 / 62°F 76%
Low level cloud: 0%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: medium
19%
0.0 In
13:00

SSW
SSW

 9 / 15 mph 83 / 83°F 46%
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
0.0 In
19:00

SSE
SSE

 3 / 7 mph 71 / 71°F 76%
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

NNE
NNE

 3 / 6 mph 63 / 63°F 95%
Low level cloud: 13%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
17%
0.0 In
07:00

WNW
WNW

 8 / 16 mph 53 / 51°F 71%
Low level cloud: 6%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
7%
0.0 In
13:00

SE
SE

 7 / 15 mph 72 / 76°F 65%
Low level cloud: 49%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
49%
0.0 In
19:00

SSE
SSE

 6 / 12 mph 64 / 64°F 77%
Low level cloud: 0%
Mid level cloud: 33%
High level cloud: 3%
Most Significant Cloud Type: medium
33%
0.0 In
Sun 26
May		01:00

SSE
SSE

 7 / 14 mph 54 / 52°F 93%
Low level cloud: 50%
Mid level cloud: 6%
High level cloud: 11%
Most Significant Cloud Type: low
53%
0.0 In
07:00

S
S

 3 / 7 mph 64 / 64°F 96%
Low level cloud: 45%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
72%
0.2 In
13:00

S
S

 8 / 17 mph 64 / 64°F 96%
Low level cloud: 98%
Mid level cloud: 18%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.2 In
19:00

SSE
SSE

 2 / 5 mph 72 / 77°F 89%
Low level cloud: 2%
Mid level cloud: 23%
High level cloud: 12%
Most Significant Cloud Type: medium
29%
0.1 In
Mon 27
May		01:00

WSW
WSW

 1 / 2 mph 64 / 64°F 99%
Low level cloud: 84%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: low
83%
0.1 In
07:00

S
S

 7 / 14 mph 66 / 66°F 97%
Low level cloud: 54%
Mid level cloud: 31%
High level cloud: 30%
Most Significant Cloud Type: low
67%
0.1 In
13:00

SSE
SSE

 4 / 8 mph 84 / 88°F 60%
Low level cloud: 14%
Mid level cloud: 16%
High level cloud: 6%
Most Significant Cloud Type: low
20%
0.0 In
19:00

SSW
SSW

 2 / 5 mph 70 / 70°F 90%
Low level cloud: 31%
Mid level cloud: 46%
High level cloud: 53%
Most Significant Cloud Type: low
53%
0.2 In
Tue 28
May		01:00

NNE
NNE

 2 / 4 mph 66 / 66°F 97%
Low level cloud: 55%
Mid level cloud: 44%
High level cloud: 7%
Most Significant Cloud Type: low
71%
1.5 In
07:00

S
S

 1 / 3 mph 68 / 68°F 97%
Low level cloud: 89%
Mid level cloud: 78%
High level cloud: 14%
Most Significant Cloud Type: low
100%
0.2 In
13:00

ENE
ENE

 6 / 13 mph 66 / 66°F 97%
Low level cloud: 67%
Mid level cloud: 45%
High level cloud: 39%
Most Significant Cloud Type: low
87%
0.1 In
19:00

NNW
NNW

 10 / 21 mph 64 / 64°F 82%
Low level cloud: 24%
Mid level cloud: 19%
High level cloud: 1%
Most Significant Cloud Type: low
30%
0.3 In
Wed 29
May		01:00

E
E

 4 / 9 mph 64 / 64°F 96%
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 70%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNW
NNW

 6 / 13 mph 63 / 63°F 80%
Low level cloud: 62%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.0 In
13:00

ESE
ESE

 4 / 9 mph 65 / 65°F 98%
Low level cloud: 99%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.1 In
19:00

ESE
ESE

 1 / 1 mph 68 / 69°F 82%
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
0.0 In
Thu 30
May		01:00

SSW
SSW

 2 / 4 mph 61 / 61°F 94%
Low level cloud: 67%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
73%
0.0 In
07:00

SSE
SSE

 5 / 10 mph 63 / 63°F 92%
Low level cloud: 61%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
68%
0.0 In
13:00

WNW
WNW

 6 / 13 mph 75 / 78°F 61%
Low level cloud: 21%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
36%
0.0 In
19:00

SE
SE

 14 / 30 mph 61 / 61°F 94%
Low level cloud: 38%
Mid level cloud: 45%
High level cloud: 90%
Most Significant Cloud Type: low
64%
0.0 In
Fri 31
May		01:00

W
W

 1 / 2 mph 62 / 62°F 93%
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 19%
Most Significant Cloud Type: medium
15%
0.1 In
07:00

E
E

 3 / 7 mph 57 / 57°F 98%
Low level cloud: 99%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.8 In
13:00

SSE
SSE

 6 / 12 mph 80 / 82°F 56%
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 98%
Most Significant Cloud Type: medium
16%
0.0 In
19:00

WSW
WSW

 8 / 17 mph 58 / 56°F 86%
Low level cloud: 61%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
71%
0.1 In
Sat 01
Jun		01:00

ESE
ESE

 8 / 17 mph 63 / 63°F 99%
Low level cloud: 84%
Mid level cloud: 92%
High level cloud: 11%
Most Significant Cloud Type: low
100%
0.4 In
07:00

WSW
WSW

 12 / 26 mph 54 / 50°F 90%
Low level cloud: 87%
Mid level cloud: 46%
High level cloud: 4%
Most Significant Cloud Type: low
100%
0.0 In
13:00

SW
SW

 10 / 20 mph 74 / 78°F 86%
Low level cloud: 81%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
90%
0.2 In
19:00

WNW
WNW

 11 / 23 mph 61 / 61°F 61%
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 2%
Most Significant Cloud Type: medium
11%
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