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CheckWeather CAIle-des-Soeurs
Forecast confidence: High · models disagree by 1°C

Ile-des-Soeurs weather

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Cloudy,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 16° in Ile-des-Soeurs today. Tomorrow looks rain around 16°, with a 84% chance of rain.

16°
16°
15°
16°
18°
18°
Todaymodels agreeTomorrowsplit ±4°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
17°
Clear
Today 17°·Low ·Rain 0%
EuropeanECMWF
16°
Cloudy
Today 16°·Low ·Rain 0%
AmericanNOAA GFS
16°
Cloudy
Today 16°·Low ·Rain 0%
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Ile-des-Soeurs weather in numbers

measured normals and 10 years of recorded weather

Ile-des-Soeurs swings 37°C across the year, from 27°C highs in July to -10°C lows in February, and August is usually the wettest month in a year that brings about 1237 mm of precipitation. Over 10 years of recorded weather it averages 66 days a year at 25°C or above, 11 of them at 30°C or above, 142 frost nights, and rain on 144 days.

Warmest month
July
27°C average high
Coldest month
February
-10°C average low
Wettest month
August
1237 mm a year
Comfortable
4 months
May, June, September and October
Residents
20,000
share this forecast
Most accurate here
European
97/100 CheckWeather Score
Warm days
66 days
a year at 25°C or above
Frost nights
142 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 Ile-des-Soeurs’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 Ile-des-Soeurs and nearby towns.Live rain radar →
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Ile-des-Soeurs 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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Ile-des-Soeurs 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Cloudy
16°
models agree
Tomorrow
Rain
16°
±4°
Mon
Cloudy
15°
models agree
Tue
Cloudy
16°
models agree
Wed
Cloudy
18°
models agree
Thu
Cloudy
18°
models agree
Fri
Cloudy
19° 11°
±6°
Sat
Partly cloudy
20° 10°
models agree
Sun
Mostly clear
18° 10°
±4°
Mon
Light drizzle
19° 12°
models agree
Tue
Cloudy
19° 14°
models agree
Wed
Rain
23° 14°
models agree
Thu
Light drizzle
18° 13°
±6°
Fri
Mostly clear
15°
±3°

Ile-des-Soeurs, Quebec is at its warmest in Jul (average highs near 27°C) and coldest in Feb (lows around -10°C), with roughly 1237 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Ile-des-Soeurs 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.

Ile-des-Soeurs climate by month

average daytime high and overnight low across a typical year
Jan
-2°
-8°
Feb
-10°
Mar
-4°
Apr
13°
May
20°
Jun
24°
15°
Jul
27°
19°
Aug
24°
16°
Sep
23°
14°
Oct
16°
Nov
Dec
-6°

Which forecast is most accurate in Ile-des-Soeurs?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
93±0.4°C98±1.2 km/t100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
77
/100rank #2
73±1.5°C92±4.0 km/t7184% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
67
/100rank #3
81±1.1°C96±1.9 km/t2961% 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 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±1°16° to 17°models agree0% to 0% chance
Tomorrow±4°15° to 18°±27%57% to 84% chance
Monmodels agree15° to 16°±3%0% to 3% chance
Tue±2°15° to 16°models agree0% to 0% chance
Wed±1°18° to 19°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 Ile-des-Soeurs

today, local time
Sunrise
06:37
Sunset
18:57
Daylight
12h 20m

Common questions

What's the weather in Ile-des-Soeurs today?
On this page we show what Env. Canada, European, American each forecast for Ile-des-Soeurs 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 Ile-des-Soeurs today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Ile-des-Soeurs 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 Ile-des-Soeurs?
Over the last 30 days, the European model has been the most accurate for Ile-des-Soeurs (CheckWeather Score 97/100), ahead of the Env. Canada at 77. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Ile-des-Soeurs?
July is typically the warmest month in Ile-des-Soeurs, with average highs around 27°C.
How cold does Ile-des-Soeurs get?
The coldest month in Ile-des-Soeurs is February, when overnight lows average about -10°C.
How much rain does Ile-des-Soeurs get?
Ile-des-Soeurs sees roughly 1237 mm of precipitation a year, with August usually the wettest month.

Nearby

More CA weather