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CheckWeather CALouiseville
Forecast confidence: High · models disagree by 2°C

Louiseville weather

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Cloudy,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 16° in Louiseville today. Tomorrow looks cloudy around 15°, with a 53% chance of rain.

16°
15°
15°
16°
18°
18°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
17°
Clear
Today 17°·Low ·Rain 0%
EuropeanECMWF
15°
Cloudy
Today 15°·Low ·Rain 0%
AmericanNOAA GFS
15°
Cloudy
Today 15°·Low ·Rain 0%
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Louiseville weather in numbers

from 30 years of measured normals

Louiseville swings 39°C across the year, from 26°C highs in July to -13°C lows in February, and August is usually the wettest month in a year that brings about 1196 mm of precipitation.

Warmest month
July
26°C average high
Coldest month
February
-13°C average low
Wettest month
August
1196 mm a year
Below freezing
5 months
January, February, March, November and December
Comfortable
4 months
May, June, July and September
Residents
5,819
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The weather map: all three models at once

Env. Canada, European, American side by side around Louiseville and nearby towns.Live rain radar →
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Louiseville 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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Louiseville 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
16°
models agree
Tomorrow
Cloudy
15°
models agree
Mon
Cloudy
15°
models agree
Tue
Cloudy
16°
models agree
Wed
Clear
18°
models agree
Thu
Cloudy
18°
models agree
Fri
Cloudy
19° 10°
±5°
Sat
Mostly clear
20° 10°
models agree
Sun
Clear
19° 10°
±3°
Mon
Light drizzle
18° 10°
models agree
Tue
Cloudy
19° 13°
models agree
Wed
Light rain
20° 12°
models agree
Thu
Heavy drizzle
18° 12°
±6°
Fri
Mostly clear
15°
±3°

Louiseville, Quebec is at its warmest in Jul (average highs near 26°C) and coldest in Feb (lows around -13°C), with roughly 1196 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Louiseville 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.

Louiseville climate by month

average daytime high and overnight low across a typical year
Jan
-3°
-12°
Feb
-2°
-13°
Mar
-5°
Apr
12°
May
19°
Jun
23°
15°
Jul
26°
18°
Aug
24°
15°
Sep
22°
13°
Oct
15°
Nov
-1°
Dec
-2°
-8°

Which forecast is most accurate in Louiseville?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
93±0.4°C97±1.5 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
76
/100rank #2
89±0.6°C94±3.2 km/t4771% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
66
/100rank #3
61±2.2°C93±3.6 km/t5374% 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±2°15° to 17°models agree0% to 0% chance
Tomorrow±2°14° to 16°±42%11% to 53% chance
Mon±2°14° to 16°±4%0% to 4% chance
Tue±1°15° to 16°models agree0% to 0% chance
Wed±1°17° to 18°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 Louiseville

today, local time
Sunrise
06:34
Sunset
18:55
Daylight
12h 21m

Common questions

What's the weather in Louiseville today?
On this page we show what Env. Canada, European, American each forecast for Louiseville 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 Louiseville today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Louiseville 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 Louiseville?
Over the last 30 days, the European model has been the most accurate for Louiseville (CheckWeather Score 88/100), ahead of the American at 76. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Louiseville?
July is typically the warmest month in Louiseville, with average highs around 26°C.
How cold does Louiseville get?
The coldest month in Louiseville is February, when overnight lows average about -13°C.
How much rain does Louiseville get?
Louiseville sees roughly 1196 mm of precipitation a year, with August usually the wettest month.

Nearby

More CA weather