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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 — Merstham’s conditions shift quickly with the wind and any passing showers. The numbers give you the detail; the summary below explains what they mean for your day.
What will the temperature and wind feel like?
The live forecast shows highs and lows for Merstham, with wind speeds that will affect how warm it actually feels. If gusts are over 20 mph, factor in a wind-chill of a couple of degrees, especially in open areas around the M23 and the North Downs. Rain chances are also listed — anything above 50% means you should grab a jacket before leaving.
Is there any rain expected today or tonight?
Look at the precipitation probability in the live panel. A value under 30% means mostly dry spells; above 60% suggests showers are likely, possibly heavy in the late afternoon. Overnight, clear skies can bring a sharp drop in temperature, so set a reminder to close windows if the low is below 8°C.
Will it rain in Merstham later today?
The live forecast’s precipitation percentage tells you the likelihood. If it shows 50% or higher, expect showers; under 30% means it’s safe to leave the umbrella at home. Check bbc news for any weather warnings.
What’s the wind direction for Merstham?
Wind direction is shown on the live panel with a compass point. South-westerly winds bring mild, damp air; northerlies arrive cold. Gusts over 30 mph may cause difficult driving on the A23 and A25.
How accurate is the Merstham forecast?
The live forecast updates every hour from Met Office data. For the most reliable plan, combine it with the 10-day outlook and check any warnings from bbc news if severe weather is expected.
For a wider view of conditions across the country, see our UK weather hub or compare with Bristol Weather.