Latest for Trenton: Env. Canada (GEM model): 13° Mainly clear · European (ECMWF): 15° Mainly clear · American (NOAA GFS): 12° Clear.
CheckWeather.io on iPhoneFree. No ads, no account.Trenton weather in numbers
from 30 years of measured normalsTrenton swings 36°C across the year, from 26°C highs in July to -10°C lows in February, and November is usually the wettest month in a year that brings about 986 mm of precipitation.
The weather map: all three models at once
Env. Canada, European, American side by side around Trenton and nearby towns.Live rain radar →Trenton hourly forecast: 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…
Trenton 10-day forecast, out to 14 days
where the models agree, and where they splitTrenton, Ontario is at its warmest in Jul (average highs near 26°C) and coldest in Feb (lows around -10°C), with roughly 986 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Trenton 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 Canada before you trust any single number.
Trenton climate by month
average daytime high and overnight low across a typical year (1991-2020)Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.
How the weather around Trenton has changed since 1995
Trenton sits in the same roughly 50 km square of NASA's reanalysis as Belleville. That square ran 1.4°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Belleville page.
Which forecast is most accurate in Canada?
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 1320 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.
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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.
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