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CheckWeather CAFort St. John
Forecast confidence: High · models disagree by 1°C

Fort St. John weather

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Clear,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 17° in Fort St. John today. Tomorrow looks cloudy around 20°, with a 0% chance of rain.

17°
20°
21°
23°
19°12°
16°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±2°Thursdaysplit ±5°
Env. CanadaGEM model
18°
Clear
Today 18°·Low ·Rain 0%
EuropeanECMWF
17°
Partly cloudy
Today 17°·Low ·Rain 0%
AmericanNOAA GFS
18°
Cloudy
Today 18°·Low ·Rain 0%

The weather map: all three models at once

Env. Canada, European, American side by side around Fort St. John and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Clear
17°
models agree
Tomorrow
Cloudy
20°
models agree
Mon
Clear
21°
models agree
Tue
Cloudy
23°
models agree
Wed
Light drizzle
19° 12°
±2°
Thu
Partly cloudy
16°
±5°
Fri
Cloudy
13°
models agree
Sat
Cloudy
18°
±4°
Sun
Clear
19°
models agree
Mon
Cloudy
18°
±3°
Tue
Light drizzle
16°
±7°
Wed
Clear
17°
±3°
Thu
Cloudy
14°
±4°
Fri
Cloudy
15°
±5°

Fort St. John, British Columbia is at its warmest in Jul (average highs near 25°C) and coldest in Jan (lows around -14°C), with roughly 414 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Fort St. John 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.

Fort St. John climate by month

average daytime high and overnight low across a typical year
Jan
-7°
-14°
Feb
-3°
-13°
Mar
-13°
Apr
10°
-3°
May
20°
Jun
21°
Jul
25°
13°
Aug
23°
11°
Sep
18°
Oct
-1°
Nov
-2°
-9°
Dec
-3°
-11°

Which forecast is most accurate in Fort St. John?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
88
/100rank #1
93±0.4°C97±1.7 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
82
/100rank #2
75±1.4°C94±3.2 km/t8290% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
80
/100rank #3
81±1.0°C93±3.7 km/t7184% 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 1302 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°17° to 18°models agree0% to 0% chance
Tomorrow±1°19° to 21°models agree0% to 0% chance
Mon±2°20° to 22°±9%4% to 13% chance
Tue±1°23° to 23°±10%4% to 14% chance
Wed±2°18° to 21°±27%6% to 33% 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 Fort St. John

today, local time
Sunrise
06:16
Sunset
19:47
Daylight
13h 31m

Common questions

What's the weather in Fort St. John today?
On this page we show what Env. Canada, European, American each forecast for Fort St. John 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 Fort St. John today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Fort St. John 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 Fort St. John?
Over the last 30 days, the European model has been the most accurate for Fort St. John (CheckWeather Score 88/100), 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 Fort St. John?
July is typically the warmest month in Fort St. John, with average highs around 25°C.
How cold does Fort St. John get?
The coldest month in Fort St. John is January, when overnight lows average about -14°C.
How much rain does Fort St. John get?
Fort St. John sees roughly 414 mm of precipitation a year, with July usually the wettest month.

Nearby

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