5-day weather forecast London 21-03-2026
Weather forecast London Saturday 21 March 21.03.2026: sunny, temperature from 4 °C to 13 °C.
No precipitation expected. Wind up to 4.31 m/s (gusts 5.25 m/s). Air humidity 41–73%, atmospheric pressure 764–766 mm Hg, UV index up to 2.8.
Sunrise 06:09
Sunset 18:10
Sunset 18:10
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 7 °C | 0% | 100% | 68% | 766 mm Hg | NE 55° 2.5 (3.61) m/s | 0 |
| 01:00 |  Clear | 7 °C | 0% | 5% | 67% | 766 mm Hg | NE 50° 2.39 (3.53) m/s | 0 |
| 02:00 | Clear | 6 °C | 0% | 7% | 64% | 766 mm Hg | NE 45° 2.5 (3.72) m/s | 0 |
| 03:00 | Clear | 6 °C | 0% | 9% | 62% | 766 mm Hg | NE 46° 2.39 (3.67) m/s | 0 |
| 04:00 | Clear | 5 °C | 0% | 11% | 62% | 766 mm Hg | NE 45° 2.31 (3.58) m/s | 0 |
| 05:00 | Clear | 5 °C | 0% | 10% | 64% | 766 mm Hg | NE 41° 2.19 (3.5) m/s | 0 |
| 06:00 | Clear | 4 °C | 0% | 12% | 67% | 766 mm Hg | NNE 33° 2.11 (3.42) m/s | 0 |
| 07:00 |  Sunny | 5 °C | 0% | 10% | 69% | 766 mm Hg | NNE 33° 2.39 (3.58) m/s | 0.2 |
| 08:00 | Sunny | 6 °C | 0% | 8% | 68% | 766 mm Hg | NE 40° 2.81 (3.58) m/s | 0.6 |
| 09:00 | Sunny | 8 °C | 0% | 7% | 65% | 766 mm Hg | NE 47° 3.11 (3.67) m/s | 1.2 |
| 10:00 | Sunny | 10 °C | 0% | 6% | 57% | 766 mm Hg | NE 53° 3.31 (3.81) m/s | 2 |
| 11:00 | Sunny | 11 °C | 0% | 3% | 50% | 766 mm Hg | NE 54° 3.61 (4.14) m/s | 2.6 |
| 12:00 | Sunny | 12 °C | 0% | 0% | 46% | 765 mm Hg | ENE 58° 3.81 (4.36) m/s | 2.8 |
| 13:00 | Sunny | 13 °C | 0% | 0% | 43% | 764 mm Hg | ENE 59° 3.89 (4.5) m/s | 2.6 |
| 14:00 | Sunny | 13 °C | 0% | 0% | 42% | 764 mm Hg | ENE 63° 4.11 (4.72) m/s | 2 |
| 15:00 | Sunny | 13 °C | 0% | 0% | 41% | 764 mm Hg | ENE 67° 4.31 (4.94) m/s | 1.3 |
| 16:00 | Sunny | 12 °C | 0% | 1% | 43% | 764 mm Hg | ENE 71° 4.19 (5.03) m/s | 0.6 |
| 17:00 | Sunny | 11 °C | 0% | 0% | 47% | 764 mm Hg | ENE 75° 4.11 (5.25) m/s | 0.2 |
| 18:00 | Sunny | 10 °C | 0% | 0% | 56% | 764 mm Hg | E 85° 3 (4.17) m/s | 0 |
| 19:00 | Clear | 9 °C | 0% | 0% | 63% | 764 mm Hg | ENE 78° 2.61 (3.64) m/s | 0 |
| 20:00 | Clear | 8 °C | 0% | 0% | 67% | 765 mm Hg | ENE 66° 2.39 (3.39) m/s | 0 |
| 21:00 | Clear | 8 °C | 0% | 0% | 70% | 765 mm Hg | NE 54° 2.31 (3.33) m/s | 0 |
| 22:00 | Clear | 7 °C | 0% | 0% | 72% | 765 mm Hg | NE 52° 2.19 (3.25) m/s | 0 |
| 23:00 | Clear | 7 °C | 0% | 0% | 73% | 764 mm Hg | ENE 59° 2 (3) m/s | 0 |
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.