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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Story Native weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
When you search for bbc weather radlett, you get the latest hourly and 10-day forecast for Radlett, Hertfordshire, sourced from the Met Office. The live forecast above shows current conditions; use the tabs to switch between today and the coming days.
How does Radlett’s weather compare to London?
Radlett sits about 15 miles north-west of central London, so its climate is similar to that of the capital but with slightly cooler temperatures, especially overnight. If you check bbc weather london, you’ll notice Radlett tends to be a degree or two lower, and rain can arrive a little earlier as weather systems move in from the west. For a practical takeaway, treat London forecasts as a rough guide, but always rely on the Radlett-specific data above for local conditions.
What should you know about Radlett’s microclimate?
Radlett lies in the Colne Valley, sheltered by surrounding hills. This means frost and fog can linger longer in autumn and winter compared with more exposed parts of Hertfordshire. The area’s clay soil also means heavy rain can lead to localised surface water flooding – check bbc news for any travel alerts if a warning is issued. For long-term planning, the 10-day forecast on our 10 Day Weather Forecast UK page gives a reliable overview.
Does Radlett often get fog?
Yes, particularly in autumn and winter. The valley location and nearby River Colne encourage mist to form on calm nights, sometimes lasting until late morning. Visibility can drop below 100 metres, so allow extra time for driving on the A41 or M1.
How often does snow fall in Radlett?
Snowfall is infrequent, averaging 5–10 days per year, but when it does settle it can disrupt travel. Heavy snow events are rare – the last significant fall was in March 2023 – but the nearby Chilterns can see more. Check the UK weather hub for warnings.
Is Radlett affected by thunderstorms?
Occasionally, especially in late spring and summer. Thunderstorms often develop in the afternoon after warm, humid spells. Radlett’s position in the valley can funnel storms, bringing brief heavy downpours, lightning and gusty winds. The live forecast above will show any thunder risk.