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London Heathrow Airport 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for London Heathrow Airport

Hillingdon, United Kingdom

Long range weather outlook for London Heathrow Airport includes 14 day forecast summary:

The next 14 day outlook for London Heathrow Airport shows the average daytime maximum temperature will be around 14°C, with a high for the two weeks of 24°C expected on the afternoon of Friday 20th. The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Saturday 21st at 4°C. The coming 14 days will have some days seeing a little precipitation and some days with rain. Predictions are Monday 23rd will have the most precipitation with an accumulation of around 14.0mm. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 20
Apr
21:00

SSW
SSW

6 / 8 km/h 8 / 7°C 89% 1024 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
3%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
Sat 21
Apr
00:00

SSE
SSE

9 / 8 km/h 5 / 3°C 92% 1023 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
03:00

SSE
SSE

13 / 8 km/h 4 / 1°C 92% 1021 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
06:00

SSE
SSE

16 / 8 km/h 4 / 0°C 89% 1020 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
09:00

S
S

20 / 4 km/h 13 / 11°C 78% 1018 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
12:00

SSW
SSW

23 / 4 km/h 18 / 18°C 64% 1016 mb
Low level cloud: 0%
Mid level cloud: 2%
High level cloud: 0%
Most Significant Cloud Type: medium
1%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
15:00

SW
SW

21 / 4 km/h 17 / 17°C 69% 1014 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 0%
Most Significant Cloud Type: medium
32%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
18:00

SSW
SSW

14 / 6 km/h 8 / 6°C 87% 1012 mb
Low level cloud: 0%
Mid level cloud: 76%
High level cloud: 0%
Most Significant Cloud Type: medium
76%
Expect 1.2 mm of precipitation over the past 3 hours.
1.2 mm
21:00

SSW
SSW

15 / 6 km/h 7 / 4°C 92% 1011 mb
Low level cloud: 88%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 2.0 mm of precipitation over the past 3 hours.
2.0 mm
Sun 22
Apr
00:00

SSW
SSW

14 / 6 km/h 8 / 6°C 95% 1010 mb
Low level cloud: 91%
Mid level cloud: 10%
High level cloud: 0%
Most Significant Cloud Type: low
94%
Expect 0.4 mm of precipitation over the past 3 hours.
0.4 mm
03:00

SW
SW

13 / 7 km/h 7 / 4°C 95% 1009 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
06:00

SSW
SSW

13 / 6 km/h 6 / 3°C 94% 1009 mb
Low level cloud: 19%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
09:00

SW
SW

21 / 6 km/h 8 / 5°C 84% 1008 mb
Low level cloud: 2%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: medium
11%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
12:00

WSW
WSW

27 / 5 km/h 11 / 7°C 72% 1008 mb
Low level cloud: 50%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.4 mm of precipitation over the past 3 hours.
0.4 mm
15:00

WSW
WSW

24 / 4 km/h 12 / 9°C 78% 1008 mb
Low level cloud: 21%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
22%
Expect 0.6 mm of precipitation over the past 3 hours.
0.6 mm
18:00

WSW
WSW

25 / 4 km/h 11 / 8°C 86% 1008 mb
Low level cloud: 90%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.4 mm of precipitation over the past 3 hours.
0.4 mm
21:00

WSW
WSW

19 / 6 km/h 9 / 6°C 88% 1010 mb
Low level cloud: 53%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
52%
Expect 0.3 mm of precipitation over the past 3 hours.
0.3 mm
Mon 23
Apr
00:00

WSW
WSW

19 / 5 km/h 9 / 6°C 87% 1011 mb
Low level cloud: 83%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
03:00

WSW
WSW

15 / 6 km/h 8 / 5°C 90% 1012 mb
Low level cloud: 1%
Mid level cloud: 18%
High level cloud: 0%
Most Significant Cloud Type: medium
21%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
06:00

SW
SW

16 / 6 km/h 7 / 4°C 93% 1012 mb
Low level cloud: 51%
Mid level cloud: 20%
High level cloud: 0%
Most Significant Cloud Type: low
58%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
09:00

S
S

18 / 4 km/h 9 / 7°C 95% 1011 mb
Low level cloud: 91%
Mid level cloud: 17%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 4.0 mm of precipitation over the past 3 hours.
4.0 mm
12:00

SW
SW

21 / 6 km/h 12 / 9°C 95% 1010 mb
Low level cloud: 85%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
84%
Expect 2.6 mm of precipitation over the past 3 hours.
2.6 mm
15:00

W
W

17 / 4 km/h 13 / 11°C 96% 1009 mb
Low level cloud: 47%
Mid level cloud: 61%
High level cloud: 0%
Most Significant Cloud Type: low
67%
Expect 4.6 mm of precipitation over the past 3 hours.
4.6 mm
18:00

WSW
WSW

14 / 4 km/h 12 / 10°C 93% 1010 mb
Low level cloud: 88%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
88%
Expect 2.7 mm of precipitation over the past 3 hours.
2.7 mm
21:00

SW
SW

11 / 5 km/h 10 / 8°C 95% 1011 mb
Low level cloud: 0%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
Tue 24
Apr
00:00

WSW
WSW

15 / 6 km/h 9 / 6°C 95% 1010 mb
Low level cloud: 47%
Mid level cloud: 1%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.3 mm of precipitation over the past 3 hours.
0.3 mm
03:00

WSW
WSW

16 / 6 km/h 8 / 5°C 91% 1011 mb
Low level cloud: 43%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
51%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
06:00

WSW
WSW

14 / 6 km/h 7 / 5°C 90% 1011 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: medium
5%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
09:00

WSW
WSW

17 / 5 km/h 10 / 7°C 79% 1012 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
12:00

W
W

20 / 5 km/h 12 / 9°C 69% 1012 mb
Low level cloud: 41%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
42%
Expect 0.4 mm of precipitation over the past 3 hours.
0.4 mm
15:00

W
W

19 / 5 km/h 11 / 9°C 71% 1011 mb
Low level cloud: 17%
Mid level cloud: 59%
High level cloud: 0%
Most Significant Cloud Type: medium
100%
Expect 0.5 mm of precipitation over the past 3 hours.
0.5 mm
18:00

WSW
WSW

15 / 5 km/h 10 / 7°C 82% 1011 mb
Low level cloud: 19%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.5 mm of precipitation over the past 3 hours.
0.5 mm
21:00

SW
SW

14 / 6 km/h 7 / 5°C 91% 1011 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
45%
Expect 0.3 mm of precipitation over the past 3 hours.
0.3 mm
Wed 25
Apr
00:00

SW
SW

17 / 5 km/h 7 / 4°C 92% 1010 mb
Low level cloud: 0%
Mid level cloud: 71%
High level cloud: 0%
Most Significant Cloud Type: medium
70%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
03:00

SSW
SSW

18 / 6 km/h 6 / 3°C 89% 1009 mb
Low level cloud: 0%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
42%
Expect 0.0 mm of precipitation over the past 3 hours.
0.0 mm
06:00

WSW
WSW

19 / 7 km/h 6 / 2°C 88% 1009 mb
Low level cloud: 3%
Mid level cloud: 14%
High level cloud: 0%
Most Significant Cloud Type: medium
22%
Expect 0.5 mm of precipitation over the past 3 hours.
0.5 mm
09:00

WSW
WSW

24 / 6 km/h 8 / 4°C 76% 1010 mb
Low level cloud: 0%
Mid level cloud: 37%
High level cloud: 0%
Most Significant Cloud Type: medium
37%
Expect 0.5 mm of precipitation over the past 3 hours.
0.5 mm
12:00

W
W

28 / 5 km/h 9 / 6°C 71% 1011 mb
Low level cloud: 1%
Mid level cloud: 29%
High level cloud: 0%
Most Significant Cloud Type: medium
31%
Expect 0.8 mm of precipitation over the past 3 hours.
0.8 mm
15:00

W
W

30 / 5 km/h 10 / 7°C 74% 1011 mb
Low level cloud: 20%
Mid level cloud: 31%
High level cloud: 0%
Most Significant Cloud Type: low
31%
Expect 1.0 mm of precipitation over the past 3 hours.
1.0 mm
18:00

W
W

29 / 5 km/h 9 / 6°C 76% 1011 mb
Low level cloud: 12%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
19%
Expect 0.7 mm of precipitation over the past 3 hours.
0.7 mm
21:00

W
W

25 / 4 km/h 8 / 4°C 78% 1013 mb
Low level cloud: 31%
Mid level cloud: 44%
High level cloud: 0%
Most Significant Cloud Type: low
46%
Expect 0.5 mm of precipitation over the past 3 hours.
0.5 mm
Thu 26
Apr
00:00

WSW
WSW

23 / 6 km/h 5 / 1°C 79% 1014 mb
Low level cloud: 37%
Mid level cloud: 28%
High level cloud: 0%
Most Significant Cloud Type: low
47%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
03:00

W
W

23 / 6 km/h 5 / 1°C 78% 1014 mb
Low level cloud: 27%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
06:00

W
W

23 / 6 km/h 5 / 1°C 78% 1016 mb
Low level cloud: 26%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
34%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
09:00

W
W

34 / 8 km/h 6 / 0°C 73% 1017 mb
Low level cloud: 48%
Mid level cloud: 47%
High level cloud: 0%
Most Significant Cloud Type: low
64%
Expect 0.4 mm of precipitation over the past 3 hours.
0.4 mm
12:00

WNW
WNW

35 / 8 km/h 6 / 0°C 77% 1019 mb
Low level cloud: 7%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: medium
67%
Expect 1.3 mm of precipitation over the past 3 hours.
1.3 mm
15:00

WNW
WNW

33 / 8 km/h 6 / 1°C 71% 1021 mb
Low level cloud: 16%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
18%
Expect 0.7 mm of precipitation over the past 3 hours.
0.7 mm
18:00

WNW
WNW

27 / 8 km/h 6 / 1°C 70% 1022 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
6%
Expect 0.2 mm of precipitation over the past 3 hours.
0.2 mm
21:00

WNW
WNW

17 / 7 km/h 5 / 2°C 80% 1024 mb
Low level cloud: 1%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
Expect 0.1 mm of precipitation over the past 3 hours.
0.1 mm
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Fri 27
Apr
00:00

WSW
WSW

21 / 28 km/h 11 / 8°C 83% 1014 mb
Low level cloud: 91%
Mid level cloud: 75%
High level cloud: 40%
Most Significant Cloud Type: low
100%
0.3 mm
06:00

WSW
WSW

11 / 12 km/h 10 / 9°C 79% 1014 mb
Low level cloud: 3%
Mid level cloud: 5%
High level cloud: 33%
Most Significant Cloud Type: medium
13%
0.0 mm
12:00

W
W

11 / 12 km/h 16 / 16°C 39% 1025 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 5%
Most Significant Cloud Type: medium
3%
0.0 mm
18:00

S
S

17 / 19 km/h 15 / 15°C 78% 1017 mb
Low level cloud: 88%
Mid level cloud: 82%
High level cloud: 78%
Most Significant Cloud Type: low
100%
0.1 mm
Sat 28
Apr
00:00

W
W

9 / 10 km/h 10 / 9°C 64% 1017 mb
Low level cloud: 0%
Mid level cloud: 45%
High level cloud: 79%
Most Significant Cloud Type: medium
48%
0.0 mm
06:00

SW
SW

22 / 32 km/h 12 / 10°C 83% 1011 mb
Low level cloud: 77%
Mid level cloud: 45%
High level cloud: 71%
Most Significant Cloud Type: low
100%
1.5 mm
12:00

SW
SW

18 / 21 km/h 14 / 13°C 44% 1011 mb
Low level cloud: 8%
Mid level cloud: 73%
High level cloud: 0%
Most Significant Cloud Type: medium
94%
0.0 mm
18:00

WSW
WSW

25 / 33 km/h 11 / 8°C 66% 1008 mb
Low level cloud: 85%
Mid level cloud: 26%
High level cloud: 0%
Most Significant Cloud Type: low
94%
0.2 mm
Sun 29
Apr
00:00

SW
SW

10 / 12 km/h 10 / 8°C 86% 1006 mb
Low level cloud: 75%
Mid level cloud: 43%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.1 mm
06:00

W
W

26 / 36 km/h 6 / 2°C 72% 1010 mb
Low level cloud: 12%
Mid level cloud: 11%
High level cloud: 0%
Most Significant Cloud Type: low
16%
0.0 mm
12:00

WNW
WNW

16 / 19 km/h 13 / 12°C 48% 1005 mb
Low level cloud: 3%
Mid level cloud: 71%
High level cloud: 12%
Most Significant Cloud Type: medium
79%
0.5 mm
18:00

WSW
WSW

15 / 24 km/h 13 / 12°C 75% 1012 mb
Low level cloud: 0%
Mid level cloud: 19%
High level cloud: 32%
Most Significant Cloud Type: medium
20%
2.4 mm
Mon 30
Apr
00:00

W
W

12 / 20 km/h 6 / 3°C 90% 1005 mb
Low level cloud: 0%
Mid level cloud: 32%
High level cloud: 3%
Most Significant Cloud Type: medium
32%
2.9 mm
06:00

S
S

13 / 18 km/h 7 / 4°C 91% 1007 mb
Low level cloud: 15%
Mid level cloud: 44%
High level cloud: 20%
Most Significant Cloud Type: medium
86%
0.2 mm
12:00

NW
NW

4 / 5 km/h 14 / 14°C 59% 1004 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 1%
Most Significant Cloud Type: medium
44%
2.0 mm
18:00

S
S

25 / 37 km/h 11 / 8°C 81% 999 mb
Low level cloud: 52%
Mid level cloud: 43%
High level cloud: 54%
Most Significant Cloud Type: low
73%
2.1 mm
Tue 01
May
00:00

NW
NW

11 / 23 km/h 7 / 4°C 93% 1004 mb
Low level cloud: 17%
Mid level cloud: 36%
High level cloud: 34%
Most Significant Cloud Type: low
33%
7.8 mm
06:00

SSW
SSW

14 / 16 km/h 9 / 7°C 90% 996 mb
Low level cloud: 13%
Mid level cloud: 16%
High level cloud: 67%
Most Significant Cloud Type: low
26%
4.7 mm
12:00

N
N

22 / 26 km/h 11 / 8°C 73% 1011 mb
Low level cloud: 64%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: low
72%
0.2 mm
18:00

S
S

23 / 30 km/h 11 / 8°C 70% 996 mb
Low level cloud: 0%
Mid level cloud: 44%
High level cloud: 50%
Most Significant Cloud Type: medium
46%
0.5 mm
Wed 02
May
00:00

N
N

15 / 26 km/h 5 / 2°C 93% 1020 mb
Low level cloud: 27%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
29%
3.8 mm
06:00

S
S

17 / 20 km/h 10 / 7°C 84% 998 mb
Low level cloud: 20%
Mid level cloud: 3%
High level cloud: 32%
Most Significant Cloud Type: low
24%
0.0 mm
12:00

NNE
NNE

9 / 10 km/h 12 / 11°C 59% 1025 mb
Low level cloud: 39%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
39%
0.0 mm
18:00

SSW
SSW

19 / 29 km/h 13 / 11°C 72% 1001 mb
Low level cloud: 0%
Mid level cloud: 16%
High level cloud: 49%
Most Significant Cloud Type: medium
18%
1.8 mm
Thu 03
May
00:00

WSW
WSW

8 / 10 km/h 10 / 9°C 84% 1027 mb
Low level cloud: 8%
Mid level cloud: 6%
High level cloud: 0%
Most Significant Cloud Type: low
10%
0.2 mm
06:00

S
S

21 / 31 km/h 9 / 5°C 85% 1004 mb
Low level cloud: 20%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: low
25%
0.0 mm
12:00

W
W

14 / 17 km/h 14 / 14°C 72% 1028 mb
Low level cloud: 77%
Mid level cloud: 52%
High level cloud: 1%
Most Significant Cloud Type: low
94%
0.1 mm
18:00

SSW
SSW

21 / 34 km/h 13 / 12°C 71% 1008 mb
Low level cloud: 0%
Mid level cloud: 12%
High level cloud: 39%
Most Significant Cloud Type: medium
13%
2.9 mm
Fri 04
May
00:00

N
N

15 / 22 km/h 9 / 7°C 96% 1031 mb
Low level cloud: 63%
Mid level cloud: 0%
High level cloud: 19%
Most Significant Cloud Type: low
65%
1.1 mm
06:00

ESE
ESE

5 / 6 km/h 12 / 12°C 86% 1011 mb
Low level cloud: 0%
Mid level cloud: 46%
High level cloud: 32%
Most Significant Cloud Type: medium
47%
0.0 mm
12:00

NNE
NNE

27 / 31 km/h 14 / 12°C 57% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 mm
18:00

ENE
ENE

16 / 23 km/h 18 / 18°C 76% 1009 mb
Low level cloud: 0%
Mid level cloud: 14%
High level cloud: 6%
Most Significant Cloud Type: medium
14%
1.6 mm
Sat 05
May
00:00

NNE
NNE

22 / 35 km/h 6 / 3°C 92% 1032 mb
Low level cloud: 34%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
34%
0.0 mm
06:00

NE
NE

22 / 33 km/h 11 / 8°C 94% 1009 mb
Low level cloud: 94%
Mid level cloud: 66%
High level cloud: 52%
Most Significant Cloud Type: low
100%
7.5 mm
12:00

NE
NE

38 / 45 km/h 16 / 16°C 58% 1027 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 32%
Most Significant Cloud Type: high
31%
0.0 mm

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