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Forecast confidence: Medium · models disagree by 3°C

Weston weather

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Cloudy,rain likely tomorrow

Env. Canada, the European and the American model put Weston's high today between 18° and 20°, a 3° split. Tomorrow looks cloudy around 21°, with a 55% chance of rain.

19°10°
21°13°
17°10°
16°10°
16°12°
16°13°
Todaysplit ±3°Tomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
20°
Cloudy
Today 20°·Low 11°·Rain 14%
EuropeanECMWF
18°
Cloudy
Today 18°·Low 11°·Rain 20%
AmericanNOAA GFS
19°
Cloudy
Today 19°·Low ·Rain 5%
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Weston weather in numbers

measured normals and 10 years of recorded weather

Weston swings 33°C across the year, from 27°C highs in July to -6°C lows in February, and April is usually the wettest month in a year that brings about 998 mm of precipitation. Over 10 years of recorded weather it averages 73 days a year at 25°C or above, 16 of them at 30°C or above, 128 frost nights, and rain on 131 days.

Warmest month
July
27°C average high
Coldest month
February
-6°C average low
Wettest month
April
998 mm a year
Comfortable
4 months
May, June, August and September
Residents
18,000
share this forecast
Most accurate here
European
88/100 CheckWeather Score
Warm days
73 days
a year at 25°C or above
Frost nights
128 nights
a year below 0°C
Rain days
131 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Weston’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

Env. Canada, European, American side by side around Weston and nearby towns.Live rain radar →
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Weston hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Weston 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
19° 10°
±3°
Tomorrow
Cloudy
21° 13°
models agree
Mon
Cloudy
17° 10°
models agree
Tue
Cloudy
16° 10°
models agree
Wed
Cloudy
16° 12°
models agree
Thu
Light drizzle
16° 13°
models agree
Fri
Cloudy
21° 11°
±4°
Sat
Clear
21° 11°
models agree
Sun
Clear
21° 12°
±4°
Mon
Cloudy
21° 12°
±4°
Tue
Light drizzle
21° 14°
models agree
Wed
Drizzle
18° 14°
models agree
Thu
Light drizzle
17° 11°
±4°
Fri
Cloudy
17°
±5°

Weston, Ontario is at its warmest in Jul (average highs near 27°C) and coldest in Feb (lows around -6°C), with roughly 998 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Weston 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.

Weston climate by month

average daytime high and overnight low across a typical year
Jan
-5°
Feb
-6°
Mar
-3°
Apr
13°
May
20°
Jun
24°
15°
Jul
27°
17°
Aug
25°
16°
Sep
23°
14°
Oct
17°
Nov
Dec
-2°

Which forecast is most accurate in Weston?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
93±0.4°C98±1.1 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
77
/100rank #2
87±0.7°C94±3.1 km/t5374% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
72
/100rank #3
77±1.3°C97±1.4 km/t4771% hitEnvironment and Climate Change CanadaDorval, Québec, Canada

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1304 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 counts

The 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.

Env. CanadaGEM model
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EuropeanECMWF
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AmericanNOAA GFS
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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 separately
DayTemperatureRain
Today±3°18° to 20°±15%5% to 20% chance
Tomorrow±1°20° to 21°±20%35% to 55% chance
Mon±1°16° to 17°models agree0% to 0% chance
Tue±1°16° to 17°±8%3% to 11% chance
Wed±2°15° to 17°±17%12% to 29% chance

The 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.

Sunrise and sunset in Weston

today, local time
Sunrise
07:01
Sunset
19:20
Daylight
12h 19m

Common questions

What's the weather in Weston today?
On this page we show what Env. Canada, European, American each forecast for Weston today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Weston today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Weston and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Weston?
Over the last 30 days, the European model has been the most accurate for Weston (CheckWeather Score 88/100), ahead of the American at 77. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Weston?
July is typically the warmest month in Weston, with average highs around 27°C.
How cold does Weston get?
The coldest month in Weston is February, when overnight lows average about -6°C.
How much rain does Weston get?
Weston sees roughly 998 mm of precipitation a year, with April usually the wettest month.

Nearby

More CA weather