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CheckWeather CAThe Blue Mountains
Forecast confidence: High · models disagree by 2°C

The Blue Mountains weather

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Cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 19° in The Blue Mountains today. Tomorrow looks cloudy around 18°, with a 33% chance of rain.

19°
18°13°
14°10°
16°
17°
17°11°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
20°
Cloudy
Today 20°·Low ·Rain 0%
EuropeanECMWF
18°
Cloudy
Today 18°·Low 10°·Rain 12%
AmericanNOAA GFS
20°
Cloudy
Today 20°·Low 10°·Rain 2%
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The Blue Mountains weather in numbers

from 30 years of measured normals

The Blue Mountains swings 30°C across the year, from 24°C highs in July to -6°C lows in February, and April is usually the wettest month in a year that brings about 1013 mm of precipitation.

Warmest month
July
24°C average high
Coldest month
February
-6°C average low
Wettest month
April
1013 mm a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
May, June, July and August
Residents
9,390
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The weather map: all three models at once

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

where the models agree, and where they split
Today
Cloudy
19°
models agree
Tomorrow
Cloudy
18° 13°
models agree
Mon
Cloudy
14° 10°
models agree
Tue
Cloudy
16°
models agree
Wed
Cloudy
17°
models agree
Thu
Cloudy
17° 11°
models agree
Fri
Partly cloudy
18° 10°
models agree
Sat
Mostly clear
20° 10°
±3°
Sun
Mostly clear
21° 10°
±4°
Mon
Cloudy
21° 10°
models agree
Tue
Drizzle
18° 12°
±3°
Wed
Heavy drizzle
18° 13°
models agree
Thu
Light drizzle
14°
±4°
Fri
Cloudy
16°
±11°

The Blue Mountains, Ontario is at its warmest in Jul (average highs near 24°C) and coldest in Feb (lows around -6°C), with roughly 1013 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for The Blue Mountains 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.

The Blue Mountains climate by month

average daytime high and overnight low across a typical year
Jan
-5°
Feb
-6°
Mar
-3°
Apr
12°
May
18°
Jun
22°
14°
Jul
24°
17°
Aug
23°
16°
Sep
21°
14°
Oct
15°
Nov
Dec
-2°

Which forecast is most accurate in The Blue Mountains?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
94
/100rank #1
87±0.7°C96±1.9 km/t100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
81
/100rank #2
80±1.1°C95±2.5 km/t7184% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
69
/100rank #3
83±1.0°C94±3.1 km/t3665% 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±2°18° to 20°±12%0% to 12% chance
Tomorrow±1°17° to 18°±18%15% to 33% chance
Mon±1°14° to 15°±17%0% to 17% chance
Tue±2°16° to 17°±5%1% to 6% chance
Wed±1°17° to 17°±8%12% to 20% 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 The Blue Mountains

today, local time
Sunrise
07:05
Sunset
19:24
Daylight
12h 19m

Common questions

What's the weather in The Blue Mountains today?
On this page we show what Env. Canada, European, American each forecast for The Blue Mountains 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 The Blue Mountains today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for The Blue Mountains 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 The Blue Mountains?
Over the last 30 days, the European model has been the most accurate for The Blue Mountains (CheckWeather Score 94/100), ahead of the Env. Canada at 81. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in The Blue Mountains?
July is typically the warmest month in The Blue Mountains, with average highs around 24°C.
How cold does The Blue Mountains get?
The coldest month in The Blue Mountains is February, when overnight lows average about -6°C.
How much rain does The Blue Mountains get?
The Blue Mountains sees roughly 1013 mm of precipitation a year, with April usually the wettest month.

Nearby

More CA weather