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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Norwich Wire weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out: temperatures in Harefield today range from 8°C to 14°C with patchy rain likely by midday, meaning you’ll want a waterproof jacket if you’re out after lunch.
What will the weather in Harefield be like over the next few days?
The live forecast above shows a gradual warming trend through midweek, with highs reaching 17°C on Wednesday. Overnight lows stay around 6–9°C, so early mornings remain cool. The bbc weather harefield 14 days outlook suggests a drier spell from Thursday, though a weak frontal system could bring light drizzle on Friday.
How does Harefield compare with neighbouring areas?
Harefield sits in the Colne Valley, often a degree or two cooler than central London – checking Norwich Wire UK weather hub gives context. For a broader picture, bbc weather london tends to show slightly higher daytime temperatures, while met office weather harefield provides granular hour-by-hour detail for local planning.
When is the best time to walk in Harefield this week?
Tuesday afternoon between 1pm and 4pm offers the driest window, with cloud breaking and temperatures around 13°C. Avoid Thursday morning – the live forecast indicates a 70% chance of heavy showers before noon.
Will we see any frost in Harefield this week?
No frost is likely: overnight lows stay above 5°C through Saturday. The bbc weather harefield 14 days view shows a mild airmass holding, so gardeners can leave tender plants out without worry.
Is Harefield’s weather affected by its proximity to the M25?
Not directly – local topography matters more. The valley can trap moisture, sometimes making fog linger an hour longer than nearby Bristol Weather or 10 Day Weather Forecast UK sites suggest. The live forecast above reflects that valley effect.