Cornwall weather
Loading live data…Showers,rain likely tomorrow
Env. Canada, the European and the American model agree on a high near 15° in Cornwall today. Tomorrow looks light drizzle around 16°, with a 85% chance of rain.
Latest for Cornwall: Env. Canada (GEM model): 10° Clear · European (ECMWF): 12° Clear · American (NOAA GFS): 11° Clear.
The weather map: all three models at once
Env. Canada, European, American side by side around Cornwall and nearby towns.Live rain radar →Next 14 hours
consensus of the three modelsRain in the next 24 hours, model by model
each model's own hourly precipitation, side by sideLoading the three models…
14-day forecast
where the models agree, and where they splitCornwall is a small town of about 6,574 people in Prince Edward Island, sitting at 46.2°N in a temperate climate zone. Env. Canada, European, American each forecast Cornwall with their own physics, so we line all three up and flag where they disagree. Nearby towns include Downtown Charlottetown, Charlottetown, Sherwood.
We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in Canada before you trust any single number.
Which forecast is most accurate in Cornwall?
CheckWeather Score — graded against the weather that actually happenedThe CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1302 cities. Lower error means a higher score. See which forecast model is most accurate in Canada, how we measure forecast accuracy, or which model each weather app uses.
What do you think of the forecasts?
your vote countsThe accuracy above is the measured record. This is your opinion: which forecast service do you trust most in Canada? Give each 1 to 5 stars.
One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.
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.