Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather CA›Beauharnois
Forecast confidence: High · models disagree by 0°C

Beauharnois weather

Loading live data…

Partly cloudy,warmer tomorrow

Env. Canada, the European and the American model agree on a high near 13° in Beauharnois today. Tomorrow: cloudy, around 16°, with a 0% chance of rain.

13°-1°
16°1°
13°5°
7°0°
8°-1°
16°3°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±4°Tuesdaymodels agreeWednesdaymodels agreeThursdaysplit ±3°
Env. CanadaGEM model
13°
Clear
Today 13°·Low 2°·Rain 0%
EuropeanECMWF
13°
Partly cloudy
Today 13°·Low 0°·Rain 0%
AmericanNOAA GFS
13°
Partly cloudy
Today 13°·Low -5°·Rain 0%
CheckWeather.io on iPhoneFree. No ads, no account.

Beauharnois weather in numbers

from 30 years of measured normals

Beauharnois swings 37°C across the year, from 25°C highs in July to -12°C lows in January, and June is usually the wettest month in a year that brings about 1033 mm of precipitation.

Warmest month
July
25°C average high
Coldest month
January
-12°C average low
Wettest month
June
1033 mm a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
May, July, August and September
Residents
12,000
share this forecast

The weather map: all three models at once

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

Beauharnois 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

Loading the three models…

Beauharnois 10-day forecast, out to 14 days

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

Beauharnois, Quebec is at its warmest in Jul (average highs near 25°C) and coldest in Jan (lows around -12°C), with roughly 1033 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Beauharnois 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.

Beauharnois climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
-6°
-12°
Feb
-3°
-12°
Mar
1°
-7°
Apr
12°
1°
May
19°
8°
Jun
23°
14°
Jul
25°
18°
Aug
24°
17°
Sep
20°
12°
Oct
13°
6°
Nov
6°
0°
Dec
-2°
-7°

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

How the weather around Beauharnois has changed since 1995

Beauharnois sits in the same roughly 50 km square of NASA's reanalysis as Montreal. That square ran 0.8°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Montreal page.

Which forecast is most accurate in Beauharnois?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
92±0.4°C98±1.2 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
84
/100rank #2
88±0.7°C89±5.4 km/h7687% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
82
/100rank #3
83±0.9°C94±3.1 km/h7184% 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
Loading ratings…
EuropeanECMWF
Loading ratings…
AmericanNOAA GFS
Loading ratings…

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
Todaymodels agree13° to 13°models agree0% to 0% chance
Tomorrow±2°15° to 17°models agree0% to 0% chance
Mon±4°11° to 16°±53%6% to 59% chance
Tue±1°6° to 8°±1%0% to 1% chance
Wed±1°8° to 9°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 Beauharnois

today, local time
Sunrise
07:23
Sunset
17:54
Daylight
10h 31m

Common questions

What's the weather in Beauharnois today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 13° in Beauharnois today. Tomorrow: cloudy, around 16°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Beauharnois today or tomorrow?
Rain looks unlikely in Beauharnois 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 Beauharnois?
Over the last 30 days, the European model has been the most accurate for Beauharnois (CheckWeather Score 92/100), ahead of the Env. Canada at 84. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Beauharnois?
July is typically the warmest month in Beauharnois, with average highs around 25°C.
How cold does Beauharnois get?
The coldest month in Beauharnois is January, when overnight lows average about -12°C.
How much rain does Beauharnois get?
Beauharnois sees roughly 1033 mm of precipitation a year, with June usually the wettest month.

Nearby

More CA weather