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CheckWeather CAGrande Prairie
Forecast confidence: High · models disagree by 1°C

Grande Prairie weather

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Cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 21° in Grande Prairie today. Tomorrow looks cloudy around 23°, with a 6% chance of rain.

21°
23°
23°
21°
18°
17°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±3°
Env. CanadaGEM model
21°
Mostly clear
Today 21°·Low ·Rain 0%
EuropeanECMWF
20°
Cloudy
Today 20°·Low ·Rain 0%
AmericanNOAA GFS
21°
Cloudy
Today 21°·Low ·Rain 1%
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Grande Prairie weather in numbers

measured normals and 10 years of recorded weather

Grande Prairie swings 38°C across the year, from 24°C highs in July to -14°C lows in January, and July is usually the wettest month in a year that brings about 517 mm of precipitation. Over 10 years of recorded weather it averages 24 days a year at 25°C or above, 3 of them at 30°C or above, 186 frost nights, and rain on 105 days.

Warmest month
July
24°C average high
Coldest month
January
-14°C average low
Wettest month
July
517 mm a year
Comfortable
4 months
May, June, August and September
Residents
70,000
share this forecast
Most accurate here
European
93/100 CheckWeather Score
Warm days
24 days
a year at 25°C or above
Frost nights
186 nights
a year below 0°C
Rain days
105 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Cloudy
21°
models agree
Tomorrow
Cloudy
23°
models agree
Sun
Cloudy
23°
models agree
Mon
Mostly clear
21°
models agree
Tue
Light drizzle
18°
models agree
Wed
Light drizzle
17°
±3°
Thu
Drizzle
14°
±3°
Fri
Heavy drizzle
11°
±7°
Sat
Drizzle
13°
±9°
Sun
Cloudy
16°
±6°
Mon
Clear
16°
±8°
Tue
Cloudy
12°
models agree
Wed
Light snow
10°
±9°
Thu
Light drizzle
11°
±6°

Grande Prairie, Alberta is at its warmest in Jul (average highs near 24°C) and coldest in Jan (lows around -14°C), with roughly 517 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Grande Prairie 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.

Grande Prairie climate by month

average daytime high and overnight low across a typical year
Jan
-7°
-14°
Feb
-3°
-13°
Mar
-11°
Apr
11°
-1°
May
19°
Jun
20°
10°
Jul
24°
13°
Aug
23°
12°
Sep
19°
Oct
Nov
-6°
Dec
-2°
-9°

Which forecast is most accurate in Grande Prairie?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
93
/100rank #1
94±0.3°C97±1.6 km/t8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
83
/100rank #2
84±0.9°C92±4.0 km/t7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
79
/100rank #3
76±1.4°C96±2.2 km/t7184% 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±1°20° to 21°±1%0% to 1% chance
Tomorrow±2°22° to 24°±6%0% to 6% chance
Sun±1°23° to 23°models agree0% to 0% chance
Mon±1°20° to 22°±7%3% to 10% chance
Tue±1°17° to 18°±18%11% to 29% 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 Grande Prairie

today, local time
Sunrise
07:33
Sunset
20:03
Daylight
12h 30m

Common questions

What's the weather in Grande Prairie today?
On this page we show what Env. Canada, European, American each forecast for Grande Prairie 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 Grande Prairie today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Grande Prairie 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 Grande Prairie?
Over the last 30 days, the European model has been the most accurate for Grande Prairie (CheckWeather Score 93/100), ahead of the American at 83. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Grande Prairie?
July is typically the warmest month in Grande Prairie, with average highs around 24°C.
How cold does Grande Prairie get?
The coldest month in Grande Prairie is January, when overnight lows average about -14°C.
How much rain does Grande Prairie get?
Grande Prairie sees roughly 517 mm of precipitation a year, with July usually the wettest month.

Nearby

More CA weather