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
| 12 September 2026 Sat 12.6 ° C ( 54.8°F )  Sunny |
Feels Like : 11.2 ° C / 52.2°F Humidity : % 86 Pressure : 1023 mb Wind Speed : 9.7 kmph / 6 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
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 |
|---|---|---|---|---|---|---|---|
| 12 September 2026 Sat | Sunny |
12.6 ° C | 23.3 ° C | 18 ° C | % 66 | 20.9 km/h | 17% |
| 13 September 2026 Sun |  Patchy rain nearby |
16.7 ° C | 24.2 ° C | 19.3 ° C | % 79 | 16.6 km/h | 82% |
| 14 September 2026 Mon | Patchy rain nearby |
15.1 ° C | 24.6 ° C | 19.4 ° C | % 80 | 15.1 km/h | 43% |
| 15 September 2026 Tue | Sunny |
14.3 ° C | 24.1 ° C | 18.6 ° C | % 74 | 24.5 km/h | 17% |
| 16 September 2026 Wed | Sunny |
10.8 ° C | 17.8 ° C | 14.2 ° C | % 65 | 20.5 km/h | 36% |
| 17 September 2026 Thu |  Overcast |
11.6 ° C | 19.2 ° C | 14 ° C | % 70 | 18 km/h | 48% |
| 18 September 2026 Fri | Overcast |
10.1 ° C | 19.5 ° C | 14.4 ° C | % 64 | 15.5 km/h | 13% |
| 19 September 2026 Sat | Overcast |
11.3 ° C | 21.6 ° C | 15.6 ° C | % 67 | 18 km/h | 14% |
| 20 September 2026 Sun | Patchy rain nearby |
14.4 ° C | 22.4 ° C | 17.7 ° C | % 72 | 20.9 km/h | 17% |
| 21 September 2026 Mon | Sunny |
9.8 ° C | 18.5 ° C | 14.1 ° C | % 52 | 13.3 km/h | 3% |
| 22 September 2026 Tue | Sunny |
10.5 ° C | 20.4 ° C | 15 ° C | % 52 | 15.8 km/h | 5% |
| 23 September 2026 Wed | Overcast |
13.9 ° C | 20.7 ° C | 17.1 ° C | % 72 | 13.3 km/h | 17% |
| 24 September 2026 Thu | Overcast |
14.4 ° C | 24.3 ° C | 18.7 ° C | % 67 | 16.2 km/h | 11% |
| 25 September 2026 Fri | Sunny |
16.2 ° C | 27 ° C | 20.8 ° C | % 46 | 19.1 km/h | 4% |
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