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CheckWeather CAMont-Royal
Forecast confidence: Medium · models disagree by 3°C

Mont-Royal weather

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Clear,rain likely tomorrow

Env. Canada, the European and the American model put Mont-Royal's high today between 14° and 18°, a 3° split. Tomorrow looks light rain around 16°, with a 81% chance of rain.

16°
16°
15°
15°
18°
18°
Todaysplit ±3°Tomorrowsplit ±2°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
18°
Clear
Today 18°·Low ·Rain 0%
EuropeanECMWF
15°
Partly cloudy
Today 15°·Low ·Rain 0%
AmericanNOAA GFS
14°
Cloudy
Today 14°·Low ·Rain 0%
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Mont-Royal weather in numbers

measured normals and 10 years of recorded weather

Mont-Royal swings 38°C across the year, from 27°C highs in July to -11°C lows in February, and August is usually the wettest month in a year that brings about 1229 mm of precipitation. Over 10 years of recorded weather it averages 65 days a year at 25°C or above, 11 of them at 30°C or above, 144 frost nights, and rain on 142 days.

Warmest month
July
27°C average high
Coldest month
February
-11°C average low
Wettest month
August
1229 mm a year
Comfortable
4 months
May, June, September and October
Residents
19,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
65 days
a year at 25°C or above
Frost nights
144 nights
a year below 0°C
Rain days
142 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Clear
16°
±3°
Tomorrow
Light rain
16°
±2°
Mon
Cloudy
15°
models agree
Tue
Cloudy
15°
models agree
Wed
Cloudy
18°
models agree
Thu
Cloudy
18°
models agree
Fri
Cloudy
18° 11°
±5°
Sat
Partly cloudy
20° 10°
models agree
Sun
Clear
18° 10°
±4°
Mon
Cloudy
18° 11°
models agree
Tue
Cloudy
18° 14°
±3°
Wed
Rain
21° 14°
±3°
Thu
Light drizzle
18° 12°
±6°
Fri
Mostly clear
14°
±3°

Mont-Royal, Quebec is at its warmest in Jul (average highs near 27°C) and coldest in Feb (lows around -11°C), with roughly 1229 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Mont-Royal 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-Royal climate by month

average daytime high and overnight low across a typical year
Jan
-2°
-9°
Feb
-1°
-11°
Mar
-4°
Apr
13°
May
20°
Jun
24°
15°
Jul
27°
19°
Aug
24°
16°
Sep
22°
14°
Oct
16°
Nov
Dec
-6°

Which forecast is most accurate in Mont-Royal?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
89±0.6°C98±1.1 km/t8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
82
/100rank #2
69±1.7°C93±3.3 km/t8994% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
75
/100rank #3
86±0.8°C96±1.9 km/t4771% 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±3°14° to 18°models agree0% to 0% chance
Tomorrow±2°14° to 17°±26%55% to 81% chance
Monmodels agree15° to 15°±3%0% to 3% chance
Tue±1°14° to 16°models agree0% to 0% chance
Wed±1°17° to 18°±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 Mont-Royal

today, local time
Sunrise
06:38
Sunset
18:57
Daylight
12h 19m

Common questions

What's the weather in Mont-Royal today?
On this page we show what Env. Canada, European, American each forecast for Mont-Royal 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 Mont-Royal today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Mont-Royal 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 Mont-Royal?
Over the last 30 days, the European model has been the most accurate for Mont-Royal (CheckWeather Score 91/100), ahead of the Env. Canada at 82. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Mont-Royal?
July is typically the warmest month in Mont-Royal, with average highs around 27°C.
How cold does Mont-Royal get?
The coldest month in Mont-Royal is February, when overnight lows average about -11°C.
How much rain does Mont-Royal get?
Mont-Royal sees roughly 1229 mm of precipitation a year, with August usually the wettest month.

Nearby

More CA weather