Skip to main content
Every Canadian forecast, compared
checkweather.io
CheckWeather CACastlegar
Forecast confidence: High · models disagree by 2°C

Castlegar weather

Loading live data…

Cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 22° in Castlegar today. Tomorrow looks cloudy around 25°, with a 31% chance of rain.

22°
25°11°
23°13°
23°12°
26°11°
24°12°
Todaymodels agreeTomorrowsplit ±3°Mondaysplit ±4°Tuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
22°
Showers
Today 22°·Low ·Rain 33%
EuropeanECMWF
22°
Cloudy
Today 22°·Low ·Rain 4%
AmericanNOAA GFS
24°
Cloudy
Today 24°·Low ·Rain 10%

The weather map: all three models at once

Env. Canada, European, American side by side around Castlegar 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
Cloudy
22°
models agree
Tomorrow
Cloudy
25° 11°
±3°
Mon
Cloudy
23° 13°
±4°
Tue
Light drizzle
23° 12°
models agree
Wed
Cloudy
26° 11°
models agree
Thu
Clear
24° 12°
models agree
Fri
Partly cloudy
22° 11°
±10°
Sat
Showers
20° 11°
±4°
Sun
Mostly clear
23° 10°
models agree
Mon
Clear
26° 11°
models agree
Tue
Clear
28° 11°
models agree
Wed
Mostly clear
28° 13°
models agree
Thu
Light drizzle
24° 13°
±3°
Fri
Cloudy
22° 11°
±8°

Castlegar, British Columbia is at its warmest in Jul (average highs near 31°C) and coldest in Jan (lows around -5°C), with roughly 804 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Castlegar 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.

Castlegar climate by month

average daytime high and overnight low across a typical year
Jan
-5°
Feb
-4°
Mar
-3°
Apr
13°
May
22°
Jun
24°
11°
Jul
31°
16°
Aug
29°
15°
Sep
24°
11°
Oct
16°
Nov
Dec
-2°

Which forecast is most accurate in Castlegar?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
95
/100rank #1
94±0.4°C97±1.4 km/t9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
84
/100rank #2
80±1.1°C95±2.4 km/t8290% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
79
/100rank #3
73±1.5°C93±3.6 km/t7687% 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±2°22° to 24°±29%4% to 33% chance
Tomorrow±3°24° to 26°±18%13% to 31% chance
Mon±4°21° to 25°±19%26% to 45% chance
Tue±1°22° to 24°±22%7% to 29% chance
Wed±2°25° to 27°±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 Castlegar

today, local time
Sunrise
06:13
Sunset
19:25
Daylight
13h 12m

Common questions

What's the weather in Castlegar today?
On this page we show what Env. Canada, European, American each forecast for Castlegar 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 Castlegar today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Castlegar 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 Castlegar?
Over the last 30 days, the European model has been the most accurate for Castlegar (CheckWeather Score 95/100), ahead of the Env. Canada at 84. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Castlegar?
July is typically the warmest month in Castlegar, with average highs around 31°C.
How cold does Castlegar get?
The coldest month in Castlegar is January, when overnight lows average about -5°C.
How much rain does Castlegar get?
Castlegar sees roughly 804 mm of precipitation a year, with November usually the wettest month.

Nearby

More CA weather