London Heathrow Airport (LHR) 15 Day Weather Forecast, London United Kingdom
Current weather conditions and 15 day weather forecast for London Heathrow Airport in London, United Kingdom including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at LHR
| 24 August 2026 Mon 21 ° C ( 69.9°F )  Overcast |
Feels Like : 16 ° C / 60.8°F Humidity : % 47 Pressure : 1020 mb Wind Speed : 25.6 kmph / 15.9 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for London Heathrow Airport, London, United Kingdom
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 24 August 2026 Mon | Overcast |
14 ° C | 21.5 ° C | 17.8 ° C | % 56 | 25.6 km/h | 8% |
| 25 August 2026 Tue | Overcast |
15.8 ° C | 23.8 ° C | 19.1 ° C | % 63 | 23 km/h | 57% |
| 26 August 2026 Wed | Overcast |
16.8 ° C | 27 ° C | 20.9 ° C | % 69 | 18.4 km/h | 47% |
| 27 August 2026 Thu | Overcast |
16.3 ° C | 24.7 ° C | 19.9 ° C | % 68 | 20.9 km/h | 68% |
| 28 August 2026 Fri | Overcast |
14.6 ° C | 24 ° C | 18.1 ° C | % 65 | 19.4 km/h | 67% |
| 29 August 2026 Sat |  Cloudy |
13.2 ° C | 20.7 ° C | 17.1 ° C | % 72 | 25.6 km/h | 63% |
| 30 August 2026 Sun |  Patchy rain nearby |
15.5 ° C | 20 ° C | 17.6 ° C | % 72 | 28.1 km/h | 65% |
| 31 August 2026 Mon | Overcast |
13.6 ° C | 20.2 ° C | 16.5 ° C | % 70 | 20.2 km/h | 14% |
| 01 September 2026 Tue | Overcast |
12.3 ° C | 22.3 ° C | 17 ° C | % 59 | 7.2 km/h | 12% |
| 02 September 2026 Wed | Overcast |
15.3 ° C | 23.7 ° C | 18.3 ° C | % 61 | 16.6 km/h | 65% |
| 03 September 2026 Thu |  Light rain shower |
15.7 ° C | 18.6 ° C | 16.6 ° C | % 93 | 15.5 km/h | 87% |
| 04 September 2026 Fri |  Mist |
14.1 ° C | 17.6 ° C | 15.6 ° C | % 84 | 17.3 km/h | 44% |
| 05 September 2026 Sat | Overcast |
13.7 ° C | 23.9 ° C | 18.2 ° C | % 79 | 20.9 km/h | 46% |
| 06 September 2026 Sun | Patchy rain nearby |
14.4 ° C | 18.8 ° C | 17.8 ° C | % 86 | 20.2 km/h | 85% |
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