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CheckWeather CA›Mont-Saint-Hilaire
Forecast confidence: High · models disagree by 1°C

Mont-Saint-Hilaire weather

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Clear,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 12° in Mont-Saint-Hilaire today. Tomorrow: cloudy, around 15°, with a 0% chance of rain.

12°0°
15°2°
13°4°
6°-1°
8°-4°
14°1°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±5°Tuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±4°
Env. CanadaGEM model
13°
Clear
Today 13°·Low 0°·Rain 0%
EuropeanECMWF
13°
Partly cloudy
Today 13°·Low 0°·Rain 0%
AmericanNOAA GFS
12°
Clear
Today 12°·Low 0°·Rain 0%
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Mont-Saint-Hilaire weather in numbers

measured normals and 10 years of recorded weather

Mont-Saint-Hilaire swings 40°C across the year, from 26°C highs in July to -14°C lows in February, and July is usually the wettest month in a year that brings about 1077 mm of precipitation. Over 10 years of recorded weather it averages 61 days a year at 25°C or above, 10 of them at 30°C or above, 146 frost nights, and rain on 144 days.

Warmest month
July
26°C average high
Coldest month
February
-14°C average low
Wettest month
July
1077 mm a year
Comfortable
4 months
May, June, August and September
Residents
16,000
share this forecast
Most accurate here
European
93/100 CheckWeather Score
Warm days
61 days
a year at 25°C or above
Frost nights
146 nights
a year below 0°C
Rain days
144 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Mont-Saint-Hilaire’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 Mont-Saint-Hilaire and nearby towns.Live rain radar →
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Mont-Saint-Hilaire 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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Mont-Saint-Hilaire 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
12° 0°
models agree
Tomorrow
Cloudy
15° 2°
models agree
Mon
Light drizzle
13° 4°
±5°
Tue
Mostly clear
6° -1°
models agree
Wed
Mostly clear
8° -4°
models agree
Thu
Cloudy
14° 1°
±4°
Fri
Light drizzle
15° 6°
models agree
Sat
Cloudy
11° 3°
±6°
Sun
Cloudy
16° 5°
±5°
Mon
Light rain
14° 8°
±10°
Tue
Light rain
13° 4°
±5°
Wed
Light drizzle
7° 1°
models agree
Thu
Light snow
6° 0°
models agree
Fri
Cloudy
6° 0°
±6°

Mont-Saint-Hilaire, Quebec is at its warmest in Jul (average highs near 26°C) and coldest in Feb (lows around -14°C), with roughly 1077 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Mont-Saint-Hilaire 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.

Mont-Saint-Hilaire climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
-6°
-13°
Feb
-4°
-14°
Mar
1°
-7°
Apr
11°
0°
May
19°
8°
Jun
23°
13°
Jul
26°
17°
Aug
24°
15°
Sep
20°
11°
Oct
12°
4°
Nov
6°
-2°
Dec
-3°
-10°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Mont-Saint-Hilaire has changed since 1995

Mont-Saint-Hilaire sits in the same roughly 50 km square of NASA's reanalysis as Saint-Jean-sur-Richelieu. That square ran 1.0°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Saint-Jean-sur-Richelieu page.

Which forecast is most accurate in Mont-Saint-Hilaire?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
94±0.4°C98±1.1 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
92
/100rank #2
91±0.5°C98±1.2 km/h8994% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
84
/100rank #3
79±1.1°C95±2.6 km/h8290% 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 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.

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±1°12° to 13°models agree0% to 0% chance
Tomorrow±1°15° to 16°models agree0% to 0% chance
Mon±5°12° to 16°±56%11% to 67% chance
Tue±2°5° to 7°±1%0% to 1% chance
Wed±1°7° to 8°models agree0% to 0% 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 Mont-Saint-Hilaire

today, local time
Sunrise
07:21
Sunset
17:51
Daylight
10h 30m

Common questions

What's the weather in Mont-Saint-Hilaire today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 12° in Mont-Saint-Hilaire today. Tomorrow: cloudy, around 15°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Mont-Saint-Hilaire today or tomorrow?
Rain looks unlikely in Mont-Saint-Hilaire on Sunday, October 25: no model gives more than 0% (Env. Canada 0%, European 0%, American 0%). On Saturday, October 24 the highest chance of rain from any model is 0%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Mont-Saint-Hilaire?
Over the last 30 days, the European model has been the most accurate for Mont-Saint-Hilaire (CheckWeather Score 93/100), ahead of the Env. Canada at 92. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Mont-Saint-Hilaire?
July is typically the warmest month in Mont-Saint-Hilaire, with average highs around 26°C.
How cold does Mont-Saint-Hilaire get?
The coldest month in Mont-Saint-Hilaire is February, when overnight lows average about -14°C.
How much rain does Mont-Saint-Hilaire get?
Mont-Saint-Hilaire sees roughly 1077 mm of precipitation a year, with July usually the wettest month.

Nearby

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