Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Mclean 14 Day Long Range Forecast

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

Virginia, United States Of America

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

Over the next 14 days the Mclean forecast suggests the average daytime maximum temperature will be around 33°C, with a high for the two weeks of 36°C expected on the afternoon of Saturday 12th. The mean minimum temperature will be 22°C, dipping to its lowest on the morning of Saturday 5th at 19°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. It looks like Thursday 10th will have the most precipitation with an accumulation of around 33.0mm. On the whole winds are likely to be light.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 02
Jul		01:00

NNE
NNE

 2 / 2 mph 72 / 77°F 98% 1011 mb
Low level cloud: 55%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
82%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
04:00

W
W

 1 / 2 mph 70 / 70°F 97% 1012 mb
Low level cloud: 38%
Mid level cloud: 43%
High level cloud: 63%
Most Significant Cloud Type: low
60%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
07:00

WNW
WNW

 1 / 1 mph 76 / 76°F 93% 1013 mb
Low level cloud: 21%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 2 / 3 mph 80 / 80°F 80% 1013 mb
Low level cloud: 17%
Mid level cloud: 31%
High level cloud: 21%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

N
N

 2 / 3 mph 86 / 87°F 66% 1013 mb
Low level cloud: 43%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 5 / 7 mph 89 / 88°F 52% 1011 mb
Low level cloud: 1%
Mid level cloud: 13%
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

ESE
ESE

 4 / 6 mph 84 / 86°F 76% 1012 mb
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
22:00

SSW
SSW

 4 / 6 mph 76 / 80°F 90% 1012 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 03
Jul		19:00

W
W

 4 / 6 mph 85 / 85°F 64% 1013 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
43%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

NNW
NNW

 4 / 7 mph 77 / 80°F 67% 1015 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 04
Jul		01:00

NNW
NNW

 5 / 7 mph 73 / 77°F 73% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

NNW
NNW

 5 / 7 mph 71 / 71°F 78% 1017 mb
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
07:00

NNW
NNW

 5 / 7 mph 74 / 76°F 70% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 8%
Most Significant Cloud Type: high
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

NNW
NNW

 8 / 9 mph 83 / 81°F 43% 1019 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: high
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

NNW
NNW

 7 / 8 mph 86 / 83°F 36% 1019 mb
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
16:00

NNW
NNW

 7 / 8 mph 86 / 83°F 39% 1019 mb
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

ENE
ENE

 3 / 4 mph 85 / 85°F 59% 1020 mb
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
22:00

SE
SE

 2 / 4 mph 76 / 78°F 62% 1021 mb
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
Sat 05
Jul		01:00

SE
SE

 1 / 2 mph 70 / 71°F 69% 1021 mb
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
04:00

N
N

 0 / 0 mph 68 / 68°F 74% 1021 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 1%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

SE
SE

 2 / 2 mph 74 / 76°F 68% 1022 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 31%
Most Significant Cloud Type: medium
6%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSE
SSE

 4 / 4 mph 84 / 82°F 47% 1022 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 71%
Most Significant Cloud Type: medium
8%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSE
SSE

 4 / 4 mph 89 / 87°F 38% 1020 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 12%
Most Significant Cloud Type: medium
10%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 5 / 6 mph 90 / 88°F 37% 1019 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 11%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SE
SE

 6 / 8 mph 86 / 86°F 57% 1019 mb
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
22:00

SSE
SSE

 5 / 8 mph 75 / 78°F 62% 1019 mb
Low level cloud: 0%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 06
Jul		01:00

S
S

 5 / 7 mph 72 / 76°F 72% 1019 mb
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
04:00

S
S

 4 / 7 mph 69 / 69°F 71% 1018 mb
Low level cloud: 0%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 5 / 7 mph 75 / 76°F 62% 1018 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 2%
Most Significant Cloud Type: medium
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
10:00

SSW
SSW

 6 / 8 mph 86 / 84°F 47% 1018 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

SSW
SSW

 7 / 8 mph 92 / 91°F 40% 1016 mb
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
16:00

S
S

 6 / 8 mph 94 / 93°F 40% 1014 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
17%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 8 / 10 mph 87 / 89°F 58% 1014 mb
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

SSE
SSE

 7 / 9 mph 78 / 81°F 69% 1016 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 07
Jul		01:00

S
S

 6 / 8 mph 76 / 80°F 86% 1016 mb
Low level cloud: 8%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
04:00

S
S

 5 / 8 mph 73 / 77°F 90% 1015 mb
Low level cloud: 17%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

S
S

 6 / 8 mph 80 / 80°F 79% 1016 mb
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
10:00

SSW
SSW

 7 / 8 mph 89 / 92°F 54% 1016 mb
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
13:00

S
S

 7 / 9 mph 96 / 99°F 40% 1015 mb
Low level cloud: 0%
Mid level cloud: 27%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

SSE
SSE

 6 / 8 mph 96 / 98°F 38% 1013 mb
Low level cloud: 0%
Mid level cloud: 15%
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

SSE
SSE

 8 / 12 mph 89 / 92°F 58% 1014 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
22:00

SSE
SSE

 6 / 8 mph 82 / 87°F 74% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 08
Jul		01:00

S
S

 4 / 6 mph 77 / 82°F 89% 1016 mb
Low level cloud: 4%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
04:00

SSW
SSW

 3 / 4 mph 75 / 80°F 92% 1016 mb
Low level cloud: 23%
Mid level cloud: 40%
High level cloud: 0%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
07:00

WNW
WNW

 1 / 2 mph 80 / 81°F 88% 1017 mb
Low level cloud: 25%
Mid level cloud: 34%
High level cloud: 21%
Most Significant Cloud Type: low
39%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
10:00

N
N

 3 / 4 mph 84 / 85°F 76% 1017 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 36%
Most Significant Cloud Type: medium
45%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
13:00

WNW
WNW

 0 / 0 mph 91 / 95°F 59% 1016 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 35%
Most Significant Cloud Type: medium
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
16:00

N
N

 5 / 7 mph 92 / 97°F 58% 1014 mb
Low level cloud: 19%
Mid level cloud: 24%
High level cloud: 10%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
19:00

SSE
SSE

 5 / 10 mph 82 / 85°F 89% 1016 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 38%
Most Significant Cloud Type: medium
21%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
22:00

WSW
WSW

 5 / 7 mph 73 / 77°F 95% 1017 mb
Low level cloud: 2%
Mid level cloud: 11%
High level cloud: 10%
Most Significant Cloud Type: medium
18%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Wed 09
Jul		01:00

S
S

 7 / 16 mph 81 / 88°F 84% 1017 mb
Low level cloud: 15%
Mid level cloud: 11%
High level cloud: 31%
Most Significant Cloud Type: low
22%
0.0 In
07:00

N
N

 3 / 7 mph 78 / 84°F 92% 1017 mb
Low level cloud: 46%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
52%
0.0 In
13:00

NW
NW

 6 / 14 mph 94 / 98°F 39% 1017 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
4%
0.0 In
19:00

NE
NE

 4 / 9 mph 91 / 103°F 62% 1017 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
14%
0.0 In
Thu 10
Jul		01:00

SW
SW

 3 / 6 mph 85 / 101°F 90% 1017 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 14%
Most Significant Cloud Type: medium
13%
0.0 In
07:00

ENE
ENE

 5 / 10 mph 77 / 82°F 91% 1018 mb
Low level cloud: 80%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
83%
0.0 In
13:00

SSW
SSW

 8 / 16 mph 93 / 103°F 52% 1013 mb
Low level cloud: 1%
Mid level cloud: 29%
High level cloud: 5%
Most Significant Cloud Type: medium
32%
0.0 In
19:00

E
E

 4 / 9 mph 90 / 106°F 73% 1013 mb
Low level cloud: 1%
Mid level cloud: 15%
High level cloud: 16%
Most Significant Cloud Type: medium
17%
0.0 In
Fri 11
Jul		01:00

ENE
ENE

 2 / 4 mph 76 / 82°F 99% 1010 mb
Low level cloud: 95%
Mid level cloud: 46%
High level cloud: 91%
Most Significant Cloud Type: low
100%
0.0 In
07:00

NNW
NNW

 3 / 7 mph 84 / 94°F 82% 1015 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 60%
Most Significant Cloud Type: medium
18%
0.0 In
13:00

NW
NW

 4 / 10 mph 86 / 92°F 60% 1011 mb
Low level cloud: 60%
Mid level cloud: 25%
High level cloud: 10%
Most Significant Cloud Type: low
69%
0.0 In
19:00

NNE
NNE

 4 / 9 mph 92 / 108°F 65% 1014 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 6%
Most Significant Cloud Type: medium
20%
0.1 In
Sat 12
Jul		01:00

WSW
WSW

 4 / 8 mph 83 / 93°F 87% 1013 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: medium
15%
0.1 In
07:00

WSW
WSW

 3 / 7 mph 86 / 96°F 75% 1014 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
9%
0.0 In
13:00

SW
SW

 6 / 13 mph 96 / 103°F 41% 1012 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
46%
0.0 In
19:00

W
W

 7 / 15 mph 78 / 83°F 83% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 13%
Most Significant Cloud Type: medium
46%
0.0 In
Sun 13
Jul		01:00

S
S

 5 / 10 mph 76 / 81°F 95% 1012 mb
Low level cloud: 19%
Mid level cloud: 24%
High level cloud: 33%
Most Significant Cloud Type: low
31%
0.3 In
07:00

W
W

 8 / 16 mph 78 / 83°F 81% 1009 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 30%
Most Significant Cloud Type: medium
18%
0.1 In
13:00

SSW
SSW

 9 / 19 mph 93 / 101°F 49% 1010 mb
Low level cloud: 30%
Mid level cloud: 19%
High level cloud: 31%
Most Significant Cloud Type: low
40%
0.0 In
19:00

NNW
NNW

 9 / 20 mph 85 / 89°F 62% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.0 In
Mon 14
Jul		01:00

S
S

 5 / 11 mph 77 / 83°F 94% 1009 mb
Low level cloud: 32%
Mid level cloud: 13%
High level cloud: 7%
Most Significant Cloud Type: low
37%
0.0 In
07:00

NW
NW

 3 / 6 mph 84 / 89°F 65% 1011 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 3%
Most Significant Cloud Type: medium
14%
0.0 In
13:00

SW
SW

 8 / 17 mph 91 / 100°F 55% 1010 mb
Low level cloud: 20%
Mid level cloud: 15%
High level cloud: 96%
Most Significant Cloud Type: low
36%
0.0 In
19:00

NE
NE

 4 / 9 mph 93 / 114°F 70% 1009 mb
Low level cloud: 2%
Mid level cloud: 16%
High level cloud: 6%
Most Significant Cloud Type: medium
21%
0.0 In
Tue 15
Jul		01:00

WNW
WNW

 4 / 9 mph 81 / 91°F 94% 1015 mb
Low level cloud: 8%
Mid level cloud: 14%
High level cloud: 2%
Most Significant Cloud Type: low
12%
0.2 In
07:00

WNW
WNW

 8 / 17 mph 79 / 83°F 78% 1012 mb
Low level cloud: 0%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: medium
10%
0.2 In
13:00

NW
NW

 8 / 16 mph 86 / 87°F 45% 1020 mb
Low level cloud: 0%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: medium
13%
0.0 In
19:00

NNW
NNW

 6 / 13 mph 87 / 92°F 55% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
8%
0.0 In
Wed 16
Jul		01:00

ENE
ENE

 2 / 3 mph 83 / 85°F 52% 1021 mb
Low level cloud: 6%
Mid level cloud: 10%
High level cloud: 21%
Most Significant Cloud Type: low
11%
0.0 In
07:00

N
N

 4 / 10 mph 75 / 78°F 61% 1018 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
13:00

SSW
SSW

 6 / 13 mph 87 / 93°F 60% 1020 mb
Low level cloud: 53%
Mid level cloud: 11%
High level cloud: 32%
Most Significant Cloud Type: low
60%
0.0 In
19:00

SE
SE

 6 / 13 mph 86 / 91°F 54% 1014 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 7%
Most Significant Cloud Type: medium
26%
0.0 In
Thu 17
Jul		01:00

S
S

 5 / 11 mph 81 / 91°F 90% 1019 mb
Low level cloud: 18%
Mid level cloud: 15%
High level cloud: 6%
Most Significant Cloud Type: low
24%
0.0 In
07:00

SW
SW

 4 / 9 mph 83 / 91°F 75% 1014 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 96%
Most Significant Cloud Type: medium
11%
0.0 In
13:00

WSW
WSW

 5 / 10 mph 97 / 105°F 42% 1017 mb
Low level cloud: 2%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.0 In
19:00

NNW
NNW

 7 / 14 mph 97 / 108°F 47% 1012 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
(More Info)

Day

This time is corrected for local time zones and where possible for daylight saving times.
(More Info)

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.
(More Info)

Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
(More Info)

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.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
(More Info)

Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
(More Info)

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.
(More Info)

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.
(More Info)

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.
(More Info)

Pressure