How accurate is the forecast for Old Windsor?

Forecasts are pulled from leading meteorological models and refreshed automatically every 30 minutes. Short-range accuracy (next 24 hours) is typically within 1–2°C and 80–90% for precipitation.

How often is the data updated?

Current conditions and the hourly outlook refresh every 30 minutes; daily forecasts every hour.

What does the air-quality (AQI) value mean?

We display the European AQI on a scale from Good (0–20) to Extremely poor (>100), blending PM2.5, PM10, NO₂ and O₃.

Clima Map

Old Windsor GB

June 28, 2026 · 12:23 am

20^°

Mainly clear

Feels like 21°C

Humidity: 74%
Wind: 8 km/h S
Pressure: 1014 hPa
Cloud: 46%

7-day forecast

June 28, 2026 Overcast 24% 25°C / 16°C June 29, 2026 Overcast 0% 24°C / 13°C June 30, 2026 Overcast 33% 24°C / 17°C July 1, 2026 Overcast 9% 25°C / 15°C July 2, 2026 Overcast 12% 28°C / 16°C July 3, 2026 Overcast 6% 24°C / 15°C July 4, 2026 Mainly clear 5% 28°C / 17°C

Nearby weather

Cities near Old Windsor

Compare weather conditions in surrounding cities and open any local forecast instantly.

3 km Windsor GB View forecast 3.8 km Egham GB View forecast 5.4 km Colnbrook GB View forecast 5.7 km Slough GB View forecast 6.4 km Staines GB View forecast 6.7 km Upton Lea GB View forecast 6.8 km Thorpe GB View forecast 7.5 km Stanwell GB View forecast

Weather notice Forecasts are for general planning. During severe weather, follow official alerts and local authority instructions.