5-day weather forecast London 03-09-2026
Weather forecast London Thursday, September 3 03.09.2026: patchy rain possible, temperature from 17 °C to 26 °C.
Precipitation probability 38%. Wind up to 5.89 m/s (gusts 13.19 m/s). Air humidity 45–89%, atmospheric pressure 761–764 mm Hg, UV index up to 5.2.
5 days at a glance — tap a day to open it
Sunrise 06:16
Sunset 19:43
Sunset 19:43
Last Quarter50% illuminated
Moonrise 21:32 · Moonset 14:01
Moonrise 21:32 · Moonset 14:01
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 18 °C | 26% | 89% | 88% | 764 mm Hg | WSW 237° 3.89 (10.81) m/s | 0 |
| 01:00 |  Clear | 17 °C | 11% | 9% | 84% | 764 mm Hg | WSW 237° 4.11 (10.81) m/s | 0 |
| 02:00 | Overcast | 17 °C | 24% | 100% | 81% | 764 mm Hg | WSW 237° 4.19 (11) m/s | 0 |
| 03:00 | Overcast | 18 °C | 23% | 100% | 78% | 764 mm Hg | WSW 238° 4.31 (11.11) m/s | 0 |
| 04:00 |  Patchy rain possible | 18 °C | 26% (0.03 mm/hr) | 100% | 81% | 764 mm Hg | SW 234° 4 (10.92) m/s | 0 |
| 05:00 |  Light rain shower | 18 °C | 36% (0.16 mm/hr) | 86% | 84% | 764 mm Hg | WSW 239° 4.11 (11.22) m/s | 0 |
| 06:00 | Patchy rain possible | 18 °C | 38% (0.1 mm/hr) | 100% | 88% | 764 mm Hg | WSW 241° 4.11 (11.14) m/s | 0 |
| 07:00 |  Overcast | 18 °C | 29% | 100% | 89% | 764 mm Hg | WSW 245° 4.31 (12.14) m/s | 0 |
| 08:00 | Overcast | 19 °C | 27% | 99% | 87% | 764 mm Hg | WSW 240° 4.19 (10.83) m/s | 0.1 |
| 09:00 |  Patchy rain possible | 20 °C | 28% (0.03 mm/hr) | 100% | 83% | 764 mm Hg | WSW 251° 4.5 (10.61) m/s | 0.5 |
| 10:00 | Patchy rain possible | 20 °C | 23% (0.01 mm/hr) | 100% | 77% | 764 mm Hg | WSW 246° 4.11 (8.97) m/s | 2.3 |
| 11:00 | Patchy rain possible | 22 °C | 25% (0.11 mm/hr) | 100% | 66% | 764 mm Hg | W 260° 4.89 (9) m/s | 3.6 |
| 12:00 | Patchy rain possible | 23 °C | 17% (0.05 mm/hr) | 99% | 58% | 764 mm Hg | WSW 256° 5.31 (9.31) m/s | 4.8 |
| 13:00 | Patchy rain possible | 24 °C | 17% (0.04 mm/hr) | 100% | 59% | 764 mm Hg | WSW 244° 5.31 (8.92) m/s | 5.2 |
| 14:00 | Patchy rain possible | 24 °C | 15% (0.03 mm/hr) | 100% | 55% | 763 mm Hg | WSW 242° 5.11 (10.33) m/s | 4.8 |
| 15:00 | Patchy rain possible | 24 °C | 16% (0.05 mm/hr) | 100% | 56% | 763 mm Hg | WSW 244° 4.69 (9.94) m/s | 3.6 |
| 16:00 | Patchy rain possible | 24 °C | 11% (0.01 mm/hr) | 83% | 54% | 762 mm Hg | WSW 243° 4.5 (9.83) m/s | 2.4 |
| 17:00 |  Sunny | 26 °C | 2% | 17% | 45% | 762 mm Hg | WSW 256° 5.11 (10.11) m/s | 1.3 |
| 18:00 | Overcast | 25 °C | 10% | 97% | 47% | 762 mm Hg | WSW 258° 4 (9.92) m/s | 0.5 |
| 19:00 | Patchy rain possible | 24 °C | 11% (0.01 mm/hr) | 87% | 54% | 762 mm Hg | W 259° 4.19 (8.31) m/s | 0.1 |
| 20:00 | Patchy rain possible | 23 °C | 12% (0.01 mm/hr) | 81% | 60% | 762 mm Hg | WSW 254° 3.5 (7.22) m/s | 0 |
| 21:00 | Overcast | 22 °C | 17% | 98% | 69% | 762 mm Hg | SW 218° 3.69 (8.19) m/s | 0 |
| 22:00 | Overcast | 21 °C | 21% | 100% | 76% | 761 mm Hg | SW 219° 5.19 (11.31) m/s | 0 |
| 23:00 | Overcast | 21 °C | 22% | 100% | 77% | 761 mm Hg | SW 224° 5.89 (13.19) m/s | 0 |
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.