5-day weather forecast London 04-09-2026
Weather forecast London Friday, September 4 04.09.2026: overcast, temperature from 17 °C to 23 °C.
Precipitation probability 39%. Wind up to 7 m/s (gusts 15.42 m/s). Air humidity 37–84%, atmospheric pressure 758–762 mm Hg, UV index up to 5.
5 days at a glance — tap a day to open it
Sunrise 06:18
Sunset 19:41
Sunset 19:41
Last Quarter39% illuminated
Moonrise 22:13 · Moonset 15:20
Moonrise 22:13 · Moonset 15:20
Chart
Table
Fri, Sep 4, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Cloudy | 19 °C | 15% | 70% | 75% | 762 mm Hg | SW 218° 4.19 (11.53) m/s | 0 |
| 01:00 |  Clear | 19 °C | 8% | 9% | 76% | 761 mm Hg | SW 223° 5.19 (13.61) m/s | 0 |
| 02:00 | Clear | 19 °C | 9% | 5% | 79% | 761 mm Hg | SW 224° 5.81 (13.92) m/s | 0 |
| 03:00 | Clear | 19 °C | 11% | 8% | 84% | 760 mm Hg | SW 228° 6.31 (14.31) m/s | 0 |
| 04:00 | Clear | 19 °C | 10% | 5% | 80% | 759 mm Hg | SW 227° 6.69 (14.64) m/s | 0 |
| 05:00 |  Partly cloudy | 20 °C | 12% | 32% | 80% | 759 mm Hg | SW 235° 6.89 (15.22) m/s | 0 |
| 06:00 |  Patchy rain possible | 20 °C | 25% (0.01 mm/hr) | 100% | 82% | 758 mm Hg | SW 236° 7 (15.42) m/s | 0 |
| 07:00 |  Patchy rain possible | 20 °C | 18% (0.01 mm/hr) | 72% | 80% | 758 mm Hg | SW 235° 6.81 (14.81) m/s | 0 |
| 08:00 | Patchy rain possible | 20 °C | 15% (0.01 mm/hr) | 60% | 78% | 758 mm Hg | SW 233° 6.81 (14.72) m/s | 0.4 |
| 09:00 |  Light rain shower | 21 °C | 39% (0.26 mm/hr) | 100% | 76% | 758 mm Hg | WSW 244° 6.89 (14.31) m/s | 1.1 |
| 10:00 | Patchy rain possible | 20 °C | 30% (0.13 mm/hr) | 88% | 78% | 759 mm Hg | W 259° 6.81 (14) m/s | 0.5 |
| 11:00 | Patchy rain possible | 22 °C | 19% (0.06 mm/hr) | 100% | 61% | 759 mm Hg | W 268° 6.69 (12.11) m/s | 3.3 |
| 12:00 | Patchy rain possible | 22 °C | 22% (0.14 mm/hr) | 100% | 55% | 759 mm Hg | W 269° 6.81 (11.42) m/s | 3.5 |
| 13:00 |  Overcast | 23 °C | 11% | 100% | 45% | 759 mm Hg | W 266° 6.5 (11.11) m/s | 3.3 |
| 14:00 | Overcast | 23 °C | 10% | 100% | 42% | 759 mm Hg | W 265° 6.39 (10.81) m/s | 5 |
| 15:00 | Overcast | 22 °C | 10% | 100% | 40% | 759 mm Hg | W 264° 6.19 (10.5) m/s | 5 |
| 16:00 | Overcast | 22 °C | 10% | 100% | 37% | 760 mm Hg | W 263° 6.11 (10.22) m/s | 5 |
| 17:00 | Overcast | 21 °C | 10% | 100% | 42% | 760 mm Hg | W 262° 6.11 (10) m/s | 5 |
| 18:00 | Overcast | 20 °C | 11% | 100% | 47% | 761 mm Hg | W 261° 6 (9.81) m/s | 5 |
| 19:00 | Overcast | 20 °C | 12% | 100% | 52% | 761 mm Hg | W 261° 6 (9.61) m/s | 4 |
| 20:00 | Clear | 19 °C | 8% | 67% | 57% | 761 mm Hg | W 262° 5.69 (9.69) m/s | 0 |
| 21:00 |  Overcast | 18 °C | 6% | 33% | 62% | 761 mm Hg | W 263° 5.39 (9.89) m/s | 0 |
| 22:00 | Clear | 17 °C | 5% | 0% | 66% | 762 mm Hg | W 265° 5.11 (10) m/s | 0 |
| 23:00 | Clear | 17 °C | 6% | 0% | 70% | 762 mm Hg | W 266° 4.89 (9.89) m/s | 0 |
Fri, Sep 4, 2026
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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.