Harpenden weather
Loading live data…Light drizzle,cooler tomorrow
Met Office, the European and the American model agree on a high near 25° in Harpenden today. Tomorrow looks cloudy around 22°, with a 10% chance of rain.
The weather map: all three models at once
Met Office, European, American side by side around Harpenden and nearby towns.Live rain radar →Next 14 hours
consensus of the three models14-day forecast
where the models agree, and where they splitHarpenden, England is at its warmest in Jun (average highs near 21°C) and coldest in Jan (lows around 2°C), with roughly 859 mm of precipitation across the year. Below, compare what Met Office, European, American forecast for Harpenden 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.
Harpenden climate by month
average daytime high and overnight low across a typical yearWhich forecast is most accurate in Harpenden?
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.
Where the models disagree
temperature and rain, judged separatelyThe models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.