London Heathrow Airport Weather Forecast 15 Days, Weather in LHR Today

Current weather conditions and 15 day weather forecast for London Heathrow Airport, England, UK including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.

Current weather conditions at London Heathrow Airport

14 December 2025 Sunday
10.2 ° C / 50.4°F
Partly cloudy
Partly cloudy
Feels Like : 7.6 ° C / 45.7°F
Humidity : % 76
Pressure : 1015 mb
Wind Speed : 20.2 kmph / 12.5 miles from SSWSSW
Visibility : 10 km
Precipitation (rainfall) : 0 mm
Cloud (%) : 75

15 day weather forecast for London Heathrow Airport, England, UK

Weather Forecast for next 15 Days for London Heathrow Airport including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.
Here is your temperature trend for the next 15 Days. To see the daily forecast, scroll to the table below.
Date Weather forecast Low temperature High temperature Avg. temperature Humidity Chance of rain UV Index Sun Position Moon Position
14 December 2025 Sunday Partly Cloudy  Partly Cloudy 6.7 ° C 10.4 ° C 8.5 ° C % 84 0% 0.1 Sunrise:08:00 AM
Sunset: 03:53 PM
Moonrise:02:18 AM
Moonset: 12:45 PM
Moon Phase
( Waning Crescent )
15 December 2025 Monday Patchy rain nearby Patchy rain nearby 9.1 ° C 10.4 ° C 9.9 ° C % 85 82% 0 Sunrise:08:01 AM
Sunset: 03:53 PM
Moonrise:03:30 AM
Moonset: 12:58 PM
Moon Phase
( Waning Crescent )
16 December 2025 Tuesday Overcast  Overcast 5.4 ° C 10.9 ° C 8.8 ° C % 84 0% 0 Sunrise:08:02 AM
Sunset: 03:53 PM
Moonrise:04:42 AM
Moonset: 01:14 PM
Moon Phase
( Waning Crescent )
17 December 2025 Wednesday Sunny Sunny 3.6 ° C 7.2 ° C 5.5 ° C % 81 0% 0.1 Sunrise:08:02 AM
Sunset: 03:53 PM
Moonrise:05:56 AM
Moonset: 01:35 PM
Moon Phase
( Waning Crescent )
18 December 2025 Thursday Overcast  Overcast 6.1 ° C 11.2 ° C 9 ° C % 85 0% 0.1 Sunrise:08:03 AM
Sunset: 03:54 PM
Moonrise:07:07 AM
Moonset: 02:04 PM
Moon Phase
( Waning Crescent )
19 December 2025 Friday Patchy rain nearby Patchy rain nearby 7 ° C 10.3 ° C 9.4 ° C % 81 82% 2 Sunrise:08:04 AM
Sunset: 03:54 PM
Moonrise:08:11 AM
Moonset: 02:45 PM
Moon Phase
( New Moon )
20 December 2025 Saturday Sunny Sunny 4.7 ° C 7.3 ° C 5.9 ° C % 80 0% 3 Sunrise:08:04 AM
Sunset: 03:55 PM
Moonrise:09:05 AM
Moonset: 03:40 PM
Moon Phase
( New Moon )
21 December 2025 Sunday Moderate rain Moderate rain 6.1 ° C 6.7 ° C 6.5 ° C % 94 88% 2 Sunrise:08:05 AM
Sunset: 03:55 PM
Moonrise:09:46 AM
Moonset: 04:47 PM
Moon Phase
( Waxing Crescent )
22 December 2025 Monday Partly Cloudy  Partly Cloudy 4.8 ° C 6.7 ° C 5.7 ° C % 89 0% 3 Sunrise:08:05 AM
Sunset: 03:56 PM
Moonrise:10:15 AM
Moonset: 06:01 PM
Moon Phase
( Waxing Crescent )
23 December 2025 Tuesday Overcast  Overcast 4.2 ° C 6.7 ° C 5.9 ° C % 89 0% 2 Sunrise:08:06 AM
Sunset: 03:56 PM
Moonrise:10:37 AM
Moonset: 07:19 PM
Moon Phase
( Waxing Crescent )
24 December 2025 Wednesday Sunny Sunny 4.2 ° C 7 ° C 5.4 ° C % 80 0% 3 Sunrise:08:06 AM
Sunset: 03:57 PM
Moonrise:10:53 AM
Moonset: 08:37 PM
Moon Phase
( Waxing Crescent )
25 December 2025 Thursday Patchy rain nearby Patchy rain nearby 5 ° C 8.3 ° C 6.7 ° C % 87 89% 2 Sunrise:08:07 AM
Sunset: 03:57 PM
Moonrise:11:07 AM
Moonset: 09:55 PM
Moon Phase
( Waxing Crescent )
26 December 2025 Friday Sunny Sunny 2.6 ° C 5.2 ° C 3.6 ° C % 78 0% 2 Sunrise:08:07 AM
Sunset: 03:58 PM
Moonrise:11:19 AM
Moonset: 11:14 PM
Moon Phase
( Waxing Crescent )
27 December 2025 Saturday Sunny Sunny 1.9 ° C 5 ° C 3.1 ° C % 77 0% 2 Sunrise:08:07 AM
Sunset: 03:59 PM
Moonrise:11:30 AM
Moonset: No moonset
Moon Phase
( First Quarter )
London Heathrow Airport Weather forecasts are usually fully updated every 4 hours.
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