Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Shenleybury 14 Day Long Range Forecast

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

Hertfordshire, United Kingdom

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

The forecast for Shenleybury in the coming two weeks is predicting the average daytime maximum temperature will be around 8°C, with a high for the two weeks of 13°C expected on the afternoon of Thursday 27th. The mean minimum temperature will be 4°C, dipping to its lowest on the morning of Sunday 30th at 2°C. The next 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Saturday 29th will have the most precipitation with an accumulation of around 19.0mm. On the whole winds are likely to be moderate. The strongest wind will be experienced on the morning of Tuesday 2nd, coming from a southerly direction, and reaching around 26mph.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 27
Nov		18:00

SW
SW

 17 / 23 mph 54 / 49°F 96% 1012 mb
Low level cloud: 98%
Mid level cloud: 28%
High level cloud: 4%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 15 / 27 mph 53 / 48°F 93% 1012 mb
Low level cloud: 98%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 28
Nov		00:00

WSW
WSW

 13 / 21 mph 52 / 47°F 86% 1013 mb
Low level cloud: 4%
Mid level cloud: 0%
High level cloud: 92%
Most Significant Cloud Type: medium
16%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 12 / 19 mph 47 / 42°F 92% 1013 mb
Low level cloud: 45%
Mid level cloud: 26%
High level cloud: 11%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

 11 / 17 mph 46 / 41°F 93% 1013 mb
Low level cloud: 45%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 13 / 19 mph 46 / 40°F 89% 1013 mb
Low level cloud: 17%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: low
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

 18 / 25 mph 51 / 45°F 75% 1010 mb
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
15:00

SW
SW

 20 / 31 mph 51 / 45°F 74% 1009 mb
Low level cloud: 65%
Mid level cloud: 22%
High level cloud: 19%
Most Significant Cloud Type: low
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 17 / 25 mph 50 / 44°F 79% 1009 mb
Low level cloud: 31%
Mid level cloud: 21%
High level cloud: 19%
Most Significant Cloud Type: low
40%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 13 / 19 mph 47 / 41°F 87% 1010 mb
Low level cloud: 23%
Mid level cloud: 46%
High level cloud: 96%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 29
Nov		00:00

SSW
SSW

 13 / 21 mph 46 / 41°F 89% 1009 mb
Low level cloud: 43%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 15 / 23 mph 49 / 43°F 88% 1006 mb
Low level cloud: 57%
Mid level cloud: 82%
High level cloud: 5%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSW
SSW

 15 / 24 mph 50 / 44°F 87% 1004 mb
Low level cloud: 94%
Mid level cloud: 85%
High level cloud: 6%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SSW
SSW

 17 / 26 mph 50 / 44°F 93% 1002 mb
Low level cloud: 97%
Mid level cloud: 68%
High level cloud: 16%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 8 / 11 mph 46 / 42°F 95% 1001 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
15:00

NNW
NNW

 10 / 13 mph 44 / 38°F 94% 1001 mb
Low level cloud: 98%
Mid level cloud: 97%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.3 In of precipitation over the past 3 hours.
0.3 In
18:00

NNW
NNW

 13 / 17 mph 42 / 35°F 93% 1002 mb
Low level cloud: 99%
Mid level cloud: 60%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 15 / 20 mph 41 / 34°F 94% 1004 mb
Low level cloud: 100%
Mid level cloud: 44%
High level cloud: 5%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Sun 30
Nov		00:00

NW
NW

 14 / 26 mph 37 / 29°F 88% 1006 mb
Low level cloud: 64%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
99%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

NW
NW

 16 / 26 mph 36 / 26°F 87% 1007 mb
Low level cloud: 70%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
86%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 15 / 28 mph 35 / 25°F 96% 1010 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WNW
WNW

 14 / 20 mph 38 / 29°F 88% 1013 mb
Low level cloud: 18%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: low
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 13 / 19 mph 40 / 33°F 77% 1015 mb
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
15:00

WNW
WNW

 10 / 13 mph 42 / 36°F 79% 1015 mb
Low level cloud: 0%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
18%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 8 mph 41 / 37°F 89% 1017 mb
Low level cloud: 1%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

 6 / 7 mph 40 / 36°F 89% 1016 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 2%
Most Significant Cloud Type: high
2%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 01
Dec		00:00

SW
SW

 6 / 12 mph 36 / 30°F 93% 1015 mb
Low level cloud: 12%
Mid level cloud: 0%
High level cloud: 30%
Most Significant Cloud Type: low
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SSW
SSW

 7 / 15 mph 36 / 30°F 93% 1013 mb
Low level cloud: 11%
Mid level cloud: 1%
High level cloud: 100%
Most Significant Cloud Type: medium
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

S
S

 10 / 20 mph 38 / 31°F 86% 1010 mb
Low level cloud: 79%
Mid level cloud: 45%
High level cloud: 46%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

S
S

 17 / 28 mph 45 / 38°F 88% 1008 mb
Low level cloud: 84%
Mid level cloud: 77%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

S
S

 22 / 34 mph 47 / 39°F 93% 1005 mb
Low level cloud: 100%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
15:00

S
S

 23 / 34 mph 48 / 40°F 93% 1002 mb
Low level cloud: 100%
Mid level cloud: 49%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
18:00

S
S

 24 / 36 mph 49 / 42°F 90% 1000 mb
Low level cloud: 100%
Mid level cloud: 99%
High level cloud: 98%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

S
S

 25 / 37 mph 49 / 41°F 88% 998 mb
Low level cloud: 100%
Mid level cloud: 57%
High level cloud: 65%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 02
Dec		00:00

S
S

 26 / 50 mph 44 / 34°F 90% 996 mb
Low level cloud: 100%
Mid level cloud: 93%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

SW
SW

 14 / 26 mph 42 / 35°F 87% 997 mb
Low level cloud: 35%
Mid level cloud: 54%
High level cloud: 0%
Most Significant Cloud Type: low
53%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
06:00

SW
SW

 16 / 33 mph 41 / 33°F 85% 1001 mb
Low level cloud: 61%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 12 / 19 mph 44 / 38°F 83% 1004 mb
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
12:00

SW
SW

 12 / 16 mph 48 / 43°F 79% 1006 mb
Low level cloud: 7%
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
15:00

SSW
SSW

 8 / 9 mph 50 / 46°F 83% 1007 mb
Low level cloud: 5%
Mid level cloud: 54%
High level cloud: 1%
Most Significant Cloud Type: medium
68%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

S
S

 6 / 7 mph 49 / 46°F 90% 1009 mb
Low level cloud: 1%
Mid level cloud: 13%
High level cloud: 6%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 5 / 8 mph 46 / 43°F 91% 1011 mb
Low level cloud: 2%
Mid level cloud: 66%
High level cloud: 32%
Most Significant Cloud Type: medium
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 03
Dec		00:00

SW
SW

 5 / 10 mph 41 / 37°F 92% 1012 mb
Low level cloud: 3%
Mid level cloud: 42%
High level cloud: 24%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 4 / 9 mph 39 / 36°F 90% 1013 mb
Low level cloud: 0%
Mid level cloud: 60%
High level cloud: 14%
Most Significant Cloud Type: medium
60%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 3 / 6 mph 38 / 36°F 88% 1014 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 14%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 4 / 7 mph 41 / 38°F 87% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 95%
Most Significant Cloud Type: medium
19%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 4 / 6 mph 44 / 42°F 80% 1015 mb
Low level cloud: 1%
Mid level cloud: 100%
High level cloud: 8%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

 4 / 6 mph 45 / 43°F 87% 1015 mb
Low level cloud: 2%
Mid level cloud: 45%
High level cloud: 9%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 5 / 6 mph 45 / 42°F 92% 1015 mb
Low level cloud: 12%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SSW
SSW

 6 / 8 mph 42 / 39°F 94% 1014 mb
Low level cloud: 14%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Thu 04
Dec		00:00

SSW
SSW

 7 / 11 mph 49 / 46°F 93% 1007 mb
Low level cloud: 13%
Mid level cloud: 28%
High level cloud: 2%
Most Significant Cloud Type: low
23%
0.0 In
06:00

WSW
WSW

 5 / 10 mph 40 / 36°F 91% 1009 mb
Low level cloud: 1%
Mid level cloud: 98%
High level cloud: 54%
Most Significant Cloud Type: medium
100%
0.0 In
12:00

SSW
SSW

 31 / 45 mph 49 / 41°F 88% 995 mb
Low level cloud: 100%
Mid level cloud: 90%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSW
SSW

 10 / 17 mph 45 / 40°F 83% 986 mb
Low level cloud: 20%
Mid level cloud: 100%
High level cloud: 95%
Most Significant Cloud Type: medium
100%
0.0 In
Fri 05
Dec		00:00

SW
SW

 4 / 7 mph 44 / 42°F 93% 990 mb
Low level cloud: 26%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
06:00

NNE
NNE

 6 / 9 mph 41 / 37°F 93% 994 mb
Low level cloud: 90%
Mid level cloud: 70%
High level cloud: 47%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SSE
SSE

 26 / 38 mph 43 / 33°F 92% 991 mb
Low level cloud: 100%
Mid level cloud: 74%
High level cloud: 1%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SE
SE

 19 / 29 mph 45 / 37°F 96% 973 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Sat 06
Dec		00:00

N
N

 21 / 38 mph 38 / 27°F 97% 983 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
06:00

W
W

 21 / 34 mph 43 / 33°F 87% 973 mb
Low level cloud: 93%
Mid level cloud: 91%
High level cloud: 92%
Most Significant Cloud Type: low
100%
0.2 In
12:00

WNW
WNW

 15 / 24 mph 41 / 33°F 83% 1001 mb
Low level cloud: 89%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.2 In
18:00

SW
SW

 17 / 28 mph 47 / 40°F 82% 987 mb
Low level cloud: 56%
Mid level cloud: 6%
High level cloud: 47%
Most Significant Cloud Type: low
63%
0.0 In
Sun 07
Dec		00:00

W
W

 13 / 19 mph 40 / 33°F 89% 1006 mb
Low level cloud: 90%
Mid level cloud: 56%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
06:00

SSW
SSW

 16 / 32 mph 41 / 33°F 83% 988 mb
Low level cloud: 88%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

 10 / 15 mph 45 / 40°F 84% 1012 mb
Low level cloud: 44%
Mid level cloud: 18%
High level cloud: 5%
Most Significant Cloud Type: low
50%
0.0 In
18:00

NW
NW

 17 / 27 mph 45 / 38°F 91% 1000 mb
Low level cloud: 97%
Mid level cloud: 70%
High level cloud: 5%
Most Significant Cloud Type: low
100%
0.0 In
Mon 08
Dec		00:00

SSW
SSW

 6 / 8 mph 42 / 38°F 89% 1010 mb
Low level cloud: 0%
Mid level cloud: 62%
High level cloud: 18%
Most Significant Cloud Type: medium
62%
0.0 In
06:00

SE
SE

 7 / 12 mph 40 / 35°F 92% 1001 mb
Low level cloud: 7%
Mid level cloud: 48%
High level cloud: 100%
Most Significant Cloud Type: medium
71%
0.0 In
12:00

SSE
SSE

 13 / 18 mph 44 / 38°F 84% 1004 mb
Low level cloud: 98%
Mid level cloud: 44%
High level cloud: 98%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NE
NE

 6 / 10 mph 47 / 44°F 95% 985 mb
Low level cloud: 100%
Mid level cloud: 95%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.0 In
Tue 09
Dec		00:00

S
S

 7 / 10 mph 44 / 40°F 93% 1008 mb
Low level cloud: 30%
Mid level cloud: 96%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
0.0 In
06:00

WSW
WSW

 9 / 14 mph 40 / 34°F 88% 995 mb
Low level cloud: 0%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
0.1 In
12:00

SSE
SSE

 17 / 26 mph 47 / 40°F 78% 1004 mb
Low level cloud: 41%
Mid level cloud: 50%
High level cloud: 44%
Most Significant Cloud Type: low
63%
0.0 In
18:00

NNW
NNW

 11 / 18 mph 41 / 35°F 93% 995 mb
Low level cloud: 80%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
88%
0.0 In
Wed 10
Dec		00:00

SSW
SSW

 22 / 47 mph 46 / 38°F 83% 993 mb
Low level cloud: 94%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.4 In
06:00

NNW
NNW

 5 / 9 mph 40 / 37°F 95% 1009 mb
Low level cloud: 60%
Mid level cloud: 24%
High level cloud: 35%
Most Significant Cloud Type: low
72%
0.0 In
12:00

SSW
SSW

 21 / 36 mph 50 / 44°F 81% 992 mb
Low level cloud: 89%
Mid level cloud: 31%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
18:00

S
S

 5 / 9 mph 46 / 43°F 94% 1012 mb
Low level cloud: 34%
Mid level cloud: 81%
High level cloud: 82%
Most Significant Cloud Type: low
72%
0.0 In
Thu 11
Dec		00:00

S
S

 23 / 43 mph 45 / 36°F 88% 990 mb
Low level cloud: 100%
Mid level cloud: 88%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 In
06:00

S
S

 14 / 30 mph 40 / 32°F 97% 997 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.3 In
12:00

N
N

 4 / 7 mph 49 / 48°F 94% 991 mb
Low level cloud: 99%
Mid level cloud: 83%
High level cloud: 21%
Most Significant Cloud Type: low
100%
0.1 In
18:00

SW
SW

 12 / 20 mph 47 / 42°F 91% 996 mb
Low level cloud: 41%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
76%
0.2 In
Fri 12
Dec		00:00

NW
NW

 10 / 18 mph 46 / 41°F 95% 1001 mb
Low level cloud: 72%
Mid level cloud: 49%
High level cloud: 0%
Most Significant Cloud Type: low
89%
0.0 In
06:00

S
S

 6 / 10 mph 42 / 39°F 95% 991 mb
Low level cloud: 70%
Mid level cloud: 43%
High level cloud: 19%
Most Significant Cloud Type: low
87%
0.0 In
12:00

NNE
NNE

 10 / 18 mph 48 / 44°F 91% 1011 mb
Low level cloud: 100%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNE
NNE

 6 / 10 mph 47 / 45°F 93% 993 mb
Low level cloud: 72%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: low
85%
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