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CheckWeather CAWhatcom
Forecast confidence: High · models disagree by 2°C

Whatcom weather

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Drizzle,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 22° in Whatcom today. Tomorrow looks clear around 24°, with a 3% chance of rain.

22°12°
24°11°
19°11°
23°11°
25°11°
22°12°
Todaymodels agreeTomorrowsplit ±3°Mondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±7°
Env. CanadaGEM model
22°
Drizzle
Today 22°·Low 10°·Rain 24%
EuropeanECMWF
20°
Light drizzle
Today 20°·Low 11°·Rain 49%
AmericanNOAA GFS
22°
Cloudy
Today 22°·Low 13°·Rain 17%

The weather map: all three models at once

Env. Canada, European, American side by side around Whatcom 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
Drizzle
22° 12°
models agree
Tomorrow
Clear
24° 11°
±3°
Mon
Cloudy
19° 11°
models agree
Tue
Clear
23° 11°
models agree
Wed
Clear
25° 11°
±5°
Thu
Clear
22° 12°
±7°
Fri
Cloudy
23° 10°
±8°
Sat
Showers
22° 12°
±5°
Sun
Clear
25° 12°
models agree
Mon
Cloudy
25° 13°
±6°
Tue
Mostly clear
25° 13°
±4°
Wed
Cloudy
22° 11°
±3°
Thu
Partly cloudy
18° 12°
±7°
Fri
Cloudy
19°
±5°

Whatcom, British Columbia is at its warmest in Jul (average highs near 26°C) and coldest in Jan (lows around 0°C), with roughly 1572 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Whatcom 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.

Whatcom climate by month

average daytime high and overnight low across a typical year
Jan
Feb
Mar
10°
Apr
12°
May
19°
Jun
20°
10°
Jul
26°
13°
Aug
25°
14°
Sep
20°
11°
Oct
14°
Nov
Dec

Which forecast is most accurate in Whatcom?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
96
/100rank #1
96±0.2°C99±0.7 km/t9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
91
/100rank #2
90±0.6°C96±2.1 km/t8994% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
83
/100rank #3
76±1.3°C94±2.9 km/t8290% 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°20° to 22°±32%17% to 49% chance
Tomorrow±3°23° to 26°±3%0% to 3% chance
Mon±1°18° to 19°±52%15% to 67% chance
Tue±2°22° to 24°±2%0% to 2% chance
Wed±5°22° to 27°±10%0% to 10% 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 Whatcom

today, local time
Sunrise
06:31
Sunset
19:43
Daylight
13h 12m

Common questions

What's the weather in Whatcom today?
On this page we show what Env. Canada, European, American each forecast for Whatcom 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 Whatcom today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Whatcom 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 Whatcom?
Over the last 30 days, the European model has been the most accurate for Whatcom (CheckWeather Score 96/100), ahead of the Env. Canada at 91. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Whatcom?
July is typically the warmest month in Whatcom, with average highs around 26°C.
How cold does Whatcom get?
The coldest month in Whatcom is January, when overnight lows average about 0°C.
How much rain does Whatcom get?
Whatcom sees roughly 1572 mm of precipitation a year, with December usually the wettest month.

Nearby

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