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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the UrbanMixr weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Stanwell’s weather is typical of the south-east: mild winters, warm summers and rain spread fairly evenly through the year. The best months for outdoor trips are May to September, when temperatures are most pleasant. Pack a light jacket and waterproofs whatever the season.
The live forecast above gives the most up-to-date conditions for Stanwell, including temperature, wind and rain chances for the next few hours and days.
When is the best time to visit Stanwell?
Late spring and early autumn offer the best balance of warmth and lower rainfall. July and August are the warmest months, with average highs around 22°C, but they can feel humid near the Thames. For quieter visits, May and September are ideal – school holidays have not yet started or have just ended, so attractions are less crowded.
What should I pack for a trip to Stanwell?
A layering system works best: a T-shirt or blouse, a mid-layer such as a fleece or jumper, and a waterproof outer shell. In winter, add a warm coat, scarf and gloves – temperatures occasionally drop near freezing. Comfortable walking shoes are useful for exploring the Colne Valley parkland, as paths can get muddy after rain.
Does it snow in Stanwell?
Snow is infrequent – usually one or two days a year. When it does fall, it rarely settles for long. If you’re travelling in January or February, check the live forecast above and be prepared for icy roads.
Is Stanwell often foggy?
Fog can form on autumn and winter mornings, especially near the River Thames and reservoirs. It usually clears by late morning. If you’re driving, allow extra time and use the live forecast for visibility warnings.
What is the weather like for school holidays in Stanwell?
Easter holidays (March–April) are mixed – mild but showery. Summer half-term (late May) is usually warm and settled. October half-term sees cooler, wetter weather. December holidays are cold and often grey, with occasional frost.
For other locations, visit our UK weather hub. For a longer outlook, see the 10 Day Weather Forecast UK page. If you’re searching for weather Staines, note that Stanwell’s conditions are very similar. The live forecast above also works as a reliable alternative to BBC Weather Stanwell and AccuWeather Stanwell – it covers the next 7 days and tomorrow’s weather in detail, with a 14-day view available on our 10-day page.