Chepstow weather
Loading live data…Latest for Chepstow: Met Office (UKMO model): 18° Overcast · European (ECMWF): 17° Partly cloudy · American (NOAA GFS): 15° Overcast.
The weather map: all three models at once
Met Office, European, American side by side around Chepstow and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitChepstow, Wales is at its warmest in Jun (average highs near 21°C) and coldest in Jan (lows around 2°C), with roughly 1219 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Chepstow right now, and see exactly where they disagree.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United Kingdom before you trust any single number.
Chepstow climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in Chepstow?
CheckWeather Score — graded against the weather that actually happened
The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1880 cities. Lower error means a higher score. See which forecast model is most accurate in United Kingdom, how we measure forecast accuracy, or which model each weather app uses.