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Forecast confidence: High · models disagree by 1°C

Lachute weather

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Clear,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 13° in Lachute today. Tomorrow: cloudy, around 15°, with a 4% chance of rain.

13°1°
15°0°
14°3°
7°-2°
8°-2°
14°2°
Todaymodels agreeTomorrowmodels agreeMondaysplit ±5°Tuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
13°
Clear
Today 13°·Low 1°·Rain 0%
EuropeanECMWF
14°
Cloudy
Today 14°·Low 2°·Rain 0%
AmericanNOAA GFS
13°
Clear
Today 13°·Low -1°·Rain 0%
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Lachute weather in numbers

from 30 years of measured normals

Lachute swings 39°C across the year, from 24°C highs in July to -15°C lows in February, and June is usually the wettest month in a year that brings about 1161 mm of precipitation.

Warmest month
July
24°C average high
Coldest month
February
-15°C average low
Wettest month
June
1161 mm a year
Below freezing
5 months
January, February, March, November and December
Comfortable
4 months
May, July, August and September
Residents
9,562
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The weather map: all three models at once

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

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

Lachute, Quebec is at its warmest in Jul (average highs near 24°C) and coldest in Feb (lows around -15°C), with roughly 1161 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Lachute 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.

Lachute climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
-6°
-14°
Feb
-4°
-15°
Mar
1°
-8°
Apr
11°
0°
May
19°
8°
Jun
23°
13°
Jul
24°
15°
Aug
24°
15°
Sep
20°
11°
Oct
12°
4°
Nov
5°
-2°
Dec
-3°
-10°

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

How the weather around Lachute has changed since 1995

Lachute sits in the same roughly 50 km square of NASA's reanalysis as Salaberry-de-Valleyfield. That square ran 0.9°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Salaberry-de-Valleyfield page.

Which forecast is most accurate in Lachute?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
94±0.3°C97±1.6 km/h100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
88
/100rank #2
90±0.6°C93±3.4 km/h8290% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
81
/100rank #3
81±1.0°C96±2.0 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
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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°13° to 14°models agree0% to 0% chance
Tomorrow±1°14° to 15°±4%0% to 4% chance
Mon±5°12° to 17°±44%6% to 50% chance
Tue±1°7° to 8°models agree0% to 0% chance
Wed±1°7° to 8°±2%0% to 2% 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 Lachute

today, local time
Sunrise
07:26
Sunset
17:56
Daylight
10h 30m

Common questions

What's the weather in Lachute today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 13° in Lachute today. Tomorrow: cloudy, around 15°, with a 4% chance of rain. The forecast on this page refreshes live.
Will it rain in Lachute today or tomorrow?
Rain looks unlikely in Lachute on Sunday, October 25: no model gives more than 4% (Env. Canada 0%, European 4%, 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 Lachute?
Over the last 30 days, the European model has been the most accurate for Lachute (CheckWeather Score 97/100), ahead of the Env. Canada at 88. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Lachute?
July is typically the warmest month in Lachute, with average highs around 24°C.
How cold does Lachute get?
The coldest month in Lachute is February, when overnight lows average about -15°C.
How much rain does Lachute get?
Lachute sees roughly 1161 mm of precipitation a year, with June usually the wettest month.

Nearby

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