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Every Canadian forecast, compared
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CheckWeather CAChilliwack
Forecast confidence: High · models disagree by 2°C

Chilliwack weather

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Cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 23° in Chilliwack today. Tomorrow looks clear around 25°, with a 9% chance of rain.

23°12°
25°12°
19°13°
24°12°
26°13°
22°13°
Todaymodels agreeTomorrowsplit ±4°Mondaysplit ±4°Tuesdaymodels agreeWednesdaysplit ±4°Thursdaysplit ±8°
Env. CanadaGEM model
23°
Cloudy
Today 23°·Low 11°·Rain 24%
EuropeanECMWF
22°
Light drizzle
Today 22°·Low 14°·Rain 55%
AmericanNOAA GFS
24°
Cloudy
Today 24°·Low 12°·Rain 17%

The weather map: all three models at once

Env. Canada, European, American side by side around Chilliwack 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
23° 12°
models agree
Tomorrow
Clear
25° 12°
±4°
Mon
Cloudy
19° 13°
±4°
Tue
Cloudy
24° 12°
models agree
Wed
Cloudy
26° 13°
±4°
Thu
Clear
22° 13°
±8°
Fri
Cloudy
23° 12°
±9°
Sat
Showers
23° 13°
±4°
Sun
Clear
25° 13°
models agree
Mon
Light drizzle
26° 15°
±7°
Tue
Cloudy
26° 14°
±4°
Wed
Cloudy
23° 14°
±3°
Thu
Cloudy
18° 12°
±7°
Fri
Cloudy
19° 10°
±6°

Chilliwack, British Columbia is at its warmest in Jul (average highs near 26°C) and coldest in Jan (lows around 0°C), with roughly 1815 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Chilliwack 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.

Chilliwack climate by month

average daytime high and overnight low across a typical year
Jan
Feb
Mar
11°
Apr
13°
May
20°
Jun
21°
11°
Jul
26°
15°
Aug
25°
15°
Sep
21°
12°
Oct
15°
Nov
Dec

Which forecast is most accurate in Chilliwack?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
91
/100rank #1
85±0.8°C96±1.9 km/t9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
80
/100rank #2
67±1.8°C96±2.2 km/t8290% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
76
/100rank #3
60±2.2°C92±3.8 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°22° to 24°±38%17% to 55% chance
Tomorrow±4°23° to 27°±6%3% to 9% chance
Mon±4°17° to 21°±76%10% to 86% chance
Tue±1°23° to 24°±4%0% to 4% chance
Wed±4°23° 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 Chilliwack

today, local time
Sunrise
06:30
Sunset
19:42
Daylight
13h 12m

Common questions

What's the weather in Chilliwack today?
On this page we show what Env. Canada, European, American each forecast for Chilliwack 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 Chilliwack today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Chilliwack 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 Chilliwack?
Over the last 30 days, the European model has been the most accurate for Chilliwack (CheckWeather Score 91/100), ahead of the Env. Canada at 80. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Chilliwack?
July is typically the warmest month in Chilliwack, with average highs around 26°C.
How cold does Chilliwack get?
The coldest month in Chilliwack is January, when overnight lows average about 0°C.
How much rain does Chilliwack get?
Chilliwack sees roughly 1815 mm of precipitation a year, with December usually the wettest month.

Nearby

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