Fast Forecast

WEATHER FOR BUSINESS

We supply weather data to businesses

Free Weather Plugin

Add this forecast to your website



Local Weather

Flamstead 14 Day Long Range Forecast

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

Hertfordshire, United Kingdom

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

The outlook for Flamstead in the two weeks ahead shows the average daytime maximum temperature will be around 6°C, with a high for the two weeks of 12°C expected on the morning of Monday 25th. The average minimum temperature will be 2°C, dipping to its lowest on the morning of Wednesday 20th at -2°C. The fortnight ahead will have some days seeing a little precipitation and some days with rain or sleet. Current predictions suggest Saturday 23rd will have the most precipitation with an accumulation of around 23.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 15
Nov		15:00

WSW
WSW

 6 / 9 mph 48 / 45°F 83% 1025 mb
Low level cloud: 4%
Mid level cloud: 2%
High level cloud: 83%
Most Significant Cloud Type: medium
15%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WSW
WSW

 6 / 8 mph 47 / 44°F 93% 1025 mb
Low level cloud: 14%
Mid level cloud: 2%
High level cloud: 49%
Most Significant Cloud Type: low
20%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WSW
WSW

 7 / 10 mph 45 / 41°F 94% 1024 mb
Low level cloud: 12%
Mid level cloud: 1%
High level cloud: 12%
Most Significant Cloud Type: low
14%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 16
Nov		00:00

WSW
WSW

 6 / 9 mph 43 / 40°F 94% 1023 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: medium
33%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 6 / 12 mph 42 / 37°F 93% 1022 mb
Low level cloud: 11%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: medium
35%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 7 / 14 mph 41 / 36°F 94% 1021 mb
Low level cloud: 26%
Mid level cloud: 0%
High level cloud: 100%
Most Significant Cloud Type: low
37%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

WSW
WSW

 7 / 13 mph 43 / 39°F 89% 1020 mb
Low level cloud: 73%
Mid level cloud: 2%
High level cloud: 77%
Most Significant Cloud Type: low
83%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WSW
WSW

 8 / 14 mph 46 / 42°F 85% 1018 mb
Low level cloud: 91%
Mid level cloud: 11%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WSW
WSW

 9 / 14 mph 48 / 43°F 91% 1017 mb
Low level cloud: 58%
Mid level cloud: 90%
High level cloud: 19%
Most Significant Cloud Type: low
91%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

W
W

 7 / 13 mph 46 / 43°F 96% 1016 mb
Low level cloud: 84%
Mid level cloud: 61%
High level cloud: 88%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 7 / 12 mph 44 / 40°F 88% 1016 mb
Low level cloud: 86%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 17
Nov		00:00

WNW
WNW

 8 / 13 mph 44 / 40°F 83% 1016 mb
Low level cloud: 46%
Mid level cloud: 44%
High level cloud: 100%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

W
W

 9 / 14 mph 43 / 38°F 87% 1015 mb
Low level cloud: 21%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

W
W

 10 / 17 mph 42 / 36°F 87% 1015 mb
Low level cloud: 52%
Mid level cloud: 27%
High level cloud: 3%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

W
W

 10 / 16 mph 42 / 36°F 87% 1015 mb
Low level cloud: 48%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
63%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 14 / 21 mph 46 / 39°F 66% 1015 mb
Low level cloud: 14%
Mid level cloud: 23%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

WNW
WNW

 13 / 21 mph 44 / 38°F 70% 1015 mb
Low level cloud: 10%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
75%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

WNW
WNW

 10 / 16 mph 41 / 35°F 78% 1016 mb
Low level cloud: 21%
Mid level cloud: 45%
High level cloud: 17%
Most Significant Cloud Type: low
38%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

WNW
WNW

 10 / 16 mph 39 / 33°F 85% 1017 mb
Low level cloud: 0%
Mid level cloud: 25%
High level cloud: 12%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 18
Nov		00:00

WNW
WNW

 6 / 11 mph 37 / 32°F 89% 1018 mb
Low level cloud: 1%
Mid level cloud: 25%
High level cloud: 11%
Most Significant Cloud Type: medium
28%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 5 / 9 mph 36 / 32°F 91% 1017 mb
Low level cloud: 4%
Mid level cloud: 44%
High level cloud: 32%
Most Significant Cloud Type: medium
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SSE
SSE

 7 / 11 mph 37 / 32°F 89% 1013 mb
Low level cloud: 98%
Mid level cloud: 56%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SE
SE

 9 / 15 mph 39 / 33°F 97% 1009 mb
Low level cloud: 100%
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
12:00

WSW
WSW

 10 / 17 mph 46 / 41°F 96% 1005 mb
Low level cloud: 97%
Mid level cloud: 100%
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

WSW
WSW

 8 / 13 mph 45 / 41°F 97% 1002 mb
Low level cloud: 100%
Mid level cloud: 86%
High level cloud: 72%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

 15 / 24 mph 49 / 43°F 96% 999 mb
Low level cloud: 100%
Mid level cloud: 96%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
21:00

NW
NW

 6 / 10 mph 44 / 40°F 97% 997 mb
Low level cloud: 99%
Mid level cloud: 80%
High level cloud: 50%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
Tue 19
Nov		00:00

N
N

 13 / 19 mph 36 / 28°F 96% 999 mb
Low level cloud: 100%
Mid level cloud: 80%
High level cloud: 90%
Most Significant Cloud Type: low
100%
Expect 0.1 In of precipitation over the past 3 hours.
0.1 In
03:00

NNW
NNW

 13 / 20 mph 36 / 27°F 97% 1001 mb
Low level cloud: 97%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NNW
NNW

 14 / 21 mph 34 / 24°F 96% 1004 mb
Low level cloud: 94%
Mid level cloud: 40%
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

NW
NW

 12 / 18 mph 34 / 25°F 87% 1007 mb
Low level cloud: 30%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

NW
NW

 12 / 17 mph 37 / 29°F 66% 1009 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NW
NW

 8 / 11 mph 36 / 30°F 71% 1009 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 7 / 11 mph 32 / 26°F 84% 1009 mb
Low level cloud: 21%
Mid level cloud: 19%
High level cloud: 100%
Most Significant Cloud Type: low
39%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NW
NW

 6 / 10 mph 32 / 26°F 82% 1009 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: medium
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Wed 20
Nov		00:00

NW
NW

 8 / 13 mph 31 / 24°F 78% 1009 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NW
NW

 9 / 14 mph 31 / 23°F 76% 1009 mb
Low level cloud: 0%
Mid level cloud: 93%
High level cloud: 0%
Most Significant Cloud Type: medium
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

NW
NW

 8 / 13 mph 31 / 24°F 76% 1010 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
09:00

W
W

 8 / 13 mph 32 / 25°F 70% 1011 mb
Low level cloud: 0%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
26%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

WNW
WNW

 16 / 23 mph 37 / 28°F 66% 1010 mb
Low level cloud: 11%
Mid level cloud: 5%
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

WNW
WNW

 17 / 27 mph 36 / 26°F 66% 1010 mb
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
18:00

W
W

 11 / 18 mph 34 / 26°F 79% 1011 mb
Low level cloud: 0%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: medium
30%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

W
W

 11 / 17 mph 33 / 24°F 75% 1011 mb
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
Thu 21
Nov		00:00

W
W

 12 / 18 mph 34 / 25°F 71% 1011 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

 10 / 17 mph 33 / 25°F 70% 1010 mb
Low level cloud: 0%
Mid level cloud: 8%
High level cloud: 91%
Most Significant Cloud Type: medium
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

 9 / 17 mph 32 / 24°F 69% 1008 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 100%
Most Significant Cloud Type: medium
7%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

 6 / 10 mph 34 / 29°F 66% 1005 mb
Low level cloud: 0%
Mid level cloud: 99%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SSW
SSW

 3 / 4 mph 38 / 35°F 64% 1001 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NNE
NNE

 5 / 6 mph 39 / 35°F 69% 998 mb
Low level cloud: 79%
Mid level cloud: 86%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NNW
NNW

 11 / 12 mph 38 / 31°F 92% 999 mb
Low level cloud: 39%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
48%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

NNW
NNW

 19 / 29 mph 35 / 24°F 77% 1002 mb
Low level cloud: 3%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust		Temp/
Feels Like		HumidityPressureCloud AmountPrecip AmountWeather
Fri 22
Nov		00:00

NW
NW

 20 / 38 mph 35 / 24°F 88% 1001 mb
Low level cloud: 83%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
98%
0.0 In
06:00

W
W

 10 / 19 mph 27 / 18°F 93% 1012 mb
Low level cloud: 5%
Mid level cloud: 20%
High level cloud: 7%
Most Significant Cloud Type: medium
33%
0.0 In
12:00

WSW
WSW

 11 / 16 mph 35 / 27°F 86% 1010 mb
Low level cloud: 5%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: medium
34%
0.0 In
18:00

W
W

 7 / 9 mph 36 / 31°F 92% 1015 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
0.0 In
Sat 23
Nov		00:00

WSW
WSW

 4 / 8 mph 34 / 30°F 90% 1022 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 98%
Most Significant Cloud Type: high
97%
0.0 In
06:00

SSW
SSW

 7 / 15 mph 35 / 29°F 80% 1012 mb
Low level cloud: 85%
Mid level cloud: 23%
High level cloud: 91%
Most Significant Cloud Type: low
100%
0.0 In
12:00

E
E

 8 / 11 mph 37 / 31°F 88% 1009 mb
Low level cloud: 21%
Mid level cloud: 97%
High level cloud: 62%
Most Significant Cloud Type: medium
100%
0.0 In
18:00

NNW
NNW

 13 / 19 mph 38 / 30°F 99% 997 mb
Low level cloud: 98%
Mid level cloud: 8%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
Sun 24
Nov		00:00

E
E

 14 / 23 mph 37 / 28°F 98% 1004 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 97%
Most Significant Cloud Type: low
100%
0.3 In
06:00

NE
NE

 10 / 20 mph 35 / 28°F 93% 1009 mb
Low level cloud: 66%
Mid level cloud: 87%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SE
SE

 10 / 18 mph 44 / 39°F 99% 1000 mb
Low level cloud: 99%
Mid level cloud: 15%
High level cloud: 8%
Most Significant Cloud Type: low
100%
0.5 In
18:00

ESE
ESE

 19 / 33 mph 40 / 31°F 97% 999 mb
Low level cloud: 100%
Mid level cloud: 79%
High level cloud: 61%
Most Significant Cloud Type: low
100%
0.7 In
Mon 25
Nov		00:00

S
S

 20 / 33 mph 55 / 50°F 86% 993 mb
Low level cloud: 42%
Mid level cloud: 58%
High level cloud: 100%
Most Significant Cloud Type: low
73%
0.0 In
06:00

S
S

 14 / 26 mph 53 / 49°F 82% 990 mb
Low level cloud: 0%
Mid level cloud: 80%
High level cloud: 49%
Most Significant Cloud Type: medium
81%
0.1 In
12:00

S
S

 27 / 42 mph 58 / 53°F 77% 986 mb
Low level cloud: 80%
Mid level cloud: 61%
High level cloud: 12%
Most Significant Cloud Type: low
100%
0.0 In
18:00

SSW
SSW

 26 / 41 mph 57 / 53°F 84% 986 mb
Low level cloud: 77%
Mid level cloud: 56%
High level cloud: 92%
Most Significant Cloud Type: low
100%
0.0 In
Tue 26
Nov		00:00

SSW
SSW

 22 / 38 mph 47 / 39°F 75% 994 mb
Low level cloud: 22%
Mid level cloud: 3%
High level cloud: 3%
Most Significant Cloud Type: low
23%
0.1 In
06:00

SSW
SSW

 13 / 25 mph 44 / 37°F 81% 990 mb
Low level cloud: 0%
Mid level cloud: 21%
High level cloud: 3%
Most Significant Cloud Type: medium
21%
0.0 In
12:00

S
S

 13 / 19 mph 50 / 46°F 76% 993 mb
Low level cloud: 19%
Mid level cloud: 17%
High level cloud: 100%
Most Significant Cloud Type: low
36%
0.0 In
18:00

SW
SW

 23 / 38 mph 48 / 40°F 72% 993 mb
Low level cloud: 3%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
0.0 In
Wed 27
Nov		00:00

S
S

 14 / 23 mph 45 / 39°F 81% 990 mb
Low level cloud: 23%
Mid level cloud: 33%
High level cloud: 89%
Most Significant Cloud Type: low
45%
0.0 In
06:00

SSW
SSW

 10 / 17 mph 41 / 35°F 87% 991 mb
Low level cloud: 74%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
12:00

SSW
SSW

 10 / 17 mph 48 / 43°F 86% 983 mb
Low level cloud: 70%
Mid level cloud: 44%
High level cloud: 33%
Most Significant Cloud Type: low
89%
0.2 In
18:00

WSW
WSW

 18 / 30 mph 39 / 29°F 80% 992 mb
Low level cloud: 17%
Mid level cloud: 8%
High level cloud: 27%
Most Significant Cloud Type: low
22%
0.8 In
Thu 28
Nov		00:00

WSW
WSW

 10 / 17 mph 46 / 41°F 92% 990 mb
Low level cloud: 24%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.1 In
06:00

SW
SW

 9 / 15 mph 39 / 33°F 90% 999 mb
Low level cloud: 37%
Mid level cloud: 46%
High level cloud: 100%
Most Significant Cloud Type: low
65%
0.0 In
12:00

NW
NW

 14 / 26 mph 42 / 34°F 92% 997 mb
Low level cloud: 98%
Mid level cloud: 64%
High level cloud: 0%
Most Significant Cloud Type: low
100%
0.0 In
18:00

NNE
NNE

 3 / 4 mph 45 / 44°F 91% 1007 mb
Low level cloud: 72%
Mid level cloud: 97%
High level cloud: 74%
Most Significant Cloud Type: low
100%
0.0 In
Fri 29
Nov		00:00

W
W

 8 / 14 mph 37 / 31°F 85% 1007 mb
Low level cloud: 0%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: medium
6%
0.0 In
06:00

NE
NE

 12 / 20 mph 39 / 32°F 91% 1007 mb
Low level cloud: 96%
Mid level cloud: 84%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
12:00

W
W

 14 / 25 mph 40 / 32°F 76% 1009 mb
Low level cloud: 2%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
0.0 In
18:00

ENE
ENE

 23 / 38 mph 42 / 32°F 94% 1004 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.6 In
Sat 30
Nov		00:00

NW
NW

 15 / 28 mph 34 / 24°F 76% 1018 mb
Low level cloud: 19%
Mid level cloud: 30%
High level cloud: 0%
Most Significant Cloud Type: low
29%
0.0 In
06:00

NE
NE

 17 / 29 mph 38 / 28°F 96% 1011 mb
Low level cloud: 100%
Mid level cloud: 51%
High level cloud: 85%
Most Significant Cloud Type: low
100%
0.7 In
12:00

NNE
NNE

 12 / 22 mph 39 / 32°F 82% 1023 mb
Low level cloud: 39%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
45%
0.0 In
18:00

NE
NE

 11 / 18 mph 42 / 36°F 76% 1022 mb
Low level cloud: 75%
Mid level cloud: 2%
High level cloud: 4%
Most Significant Cloud Type: low
76%
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