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Every Canadian forecast, compared
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CheckWeather CAHalton Hills
Forecast confidence: High · models disagree by 2°C

Halton Hills weather

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Partly cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 23° in Halton Hills today. Tomorrow looks cloudy around 24°, with a 0% chance of rain.

23°14°
24°13°
23°14°
23°17°
22°15°
22°11°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±2°Fridaysplit ±5°
Env. CanadaGEM model
24°
Partly cloudy
Today 24°·Low 15°·Rain 0%
EuropeanECMWF
22°
Light drizzle
Today 22°·Low 15°·Rain 15%
AmericanNOAA GFS
23°
Mostly clear
Today 23°·Low 14°·Rain 2%

The weather map: all three models at once

Env. Canada, European, American side by side around Halton Hills and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Partly cloudy
23° 14°
models agree
Tomorrow
Cloudy
24° 13°
models agree
Tue
Cloudy
23° 14°
models agree
Wed
Cloudy
23° 17°
±5°
Thu
Light drizzle
22° 15°
±2°
Fri
Partly cloudy
22° 11°
±5°
Sat
Showers
25° 14°
±4°
Sun
Light drizzle
24° 13°
±12°
Mon
Mostly clear
18° 11°
±4°
Tue
Mostly clear
19° 12°
models agree
Wed
Cloudy
20° 12°
±4°
Thu
Drizzle
19° 11°
models agree
Fri
Light drizzle
20° 11°
models agree
Sat
Drizzle
18° 12°
models agree

Halton Hills, Ontario is at its warmest in Jul (average highs near 26°C) and coldest in Feb (lows around -6°C), with roughly 997 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Halton Hills 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.

Halton Hills 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°
14°
Jul
26°
16°
Aug
24°
15°
Sep
23°
13°
Oct
16°
Nov
Dec
-3°

Which forecast is most accurate in Halton Hills?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
87
/100rank #1
94±0.3°C97±1.6 km/t7184% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
80
/100rank #2
75±1.4°C92±4.1 km/t7687% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
74
/100rank #3
83±0.9°C96±2.1 km/t4771% hitNOAA / NCEP (United States)College Park, Maryland, USA

The 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±2°22° to 24°±15%0% to 15% chance
Tomorrowmodels agree24° to 24°models agree0% to 0% chance
Tue±1°22° to 24°±8%0% to 8% chance
Wed±5°21° to 26°±42%29% to 71% chance
Thu±2°21° to 23°±14%6% to 20% 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 Halton Hills

today, local time
Sunrise
06:49
Sunset
19:46
Daylight
12h 57m

Common questions

What's the weather in Halton Hills today?
On this page we show what Env. Canada, European, American each forecast for Halton Hills 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 Halton Hills today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Halton Hills 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 Halton Hills?
Over the last 30 days, the European model has been the most accurate for Halton Hills (CheckWeather Score 87/100), ahead of the Env. Canada at 80. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Halton Hills?
July is typically the warmest month in Halton Hills, with average highs around 26°C.
How cold does Halton Hills get?
The coldest month in Halton Hills is February, when overnight lows average about -6°C.
How much rain does Halton Hills get?
Halton Hills sees roughly 997 mm of precipitation a year, with April usually the wettest month.

Nearby

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