Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather CA›Chilliwack-Downtown
Forecast confidence: Low · models disagree by 5°C

Chilliwack-Downtown weather

Loading live data…

Light drizzle,rain likely tomorrow

Env. Canada, the European and the American model put Chilliwack-Downtown's high today between 9° and 14°, a 5° split. Tomorrow: drizzle, around 14°, with a 88% chance of rain.

12°5°
14°7°
15°7°
11°7°
9°5°
9°5°
Todaysplit ±5°Tomorrowsplit ±4°Mondaysplit ±3°Tuesdaysplit ±3°Wednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
4°
Partly cloudy
Feels 2° · Wind 1 km/h · Humidity 92%
EuropeanECMWF
8°
Overcast
Feels 7° · Wind 2 km/h · Humidity 88%
AmericanNOAA GFS
4°
Overcast
Feels 1° · Wind 4 km/h · Humidity 75%

Latest for Chilliwack-Downtown: Env. Canada (GEM model): 4° Partly cloudy · European (ECMWF): 8° Overcast · American (NOAA GFS): 4° Overcast.

CheckWeather.io on iPhoneFree. No ads, no account.

Chilliwack-Downtown weather in numbers

measured normals and 10 years of recorded weather

Chilliwack-Downtown swings 26°C across the year, from 25°C highs in July to -1°C lows in December, and November is usually the wettest month in a year that brings about 1811 mm of precipitation. Over 10 years of recorded weather it averages 51 days a year at 25°C or above, 15 of them at 30°C or above, 51 frost nights, and rain on 178 days.

Warmest month
July
25°C average high
Coldest month
December
-1°C average low
Wettest month
November
1811 mm a year
Comfortable
4 months
May, June, July and August
Residents
31,000
share this forecast
Most accurate here
European
91/100 CheckWeather Score
Warm days
51 days
a year at 25°C or above
Frost nights
51 nights
a year below 0°C
Rain days
178 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Chilliwack-Downtown’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 Chilliwack-Downtown and nearby towns.Live rain radar →
Loading the three model maps…

Chilliwack-Downtown 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

Loading the three models…

Chilliwack-Downtown 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
12° 5°
±5°
Tomorrow
Drizzle
14° 7°
±4°
Mon
Cloudy
15° 7°
±3°
Tue
Light rain
11° 7°
±3°
Wed
Rain
9° 5°
models agree
Thu
Light drizzle
9° 5°
models agree
Fri
Drizzle
8° 4°
models agree
Sat
Cloudy
9° 2°
±3°
Sun
Cloudy
12° 3°
±4°
Mon
Heavy drizzle
12° 6°
±5°
Tue
Heavy drizzle
12° 6°
±5°
Wed
Cloudy
11° 6°
models agree
Thu
Heavy drizzle
12° 9°
±5°

Chilliwack-Downtown, British Columbia is at its warmest in Jul (average highs near 25°C) and coldest in Dec (lows around -1°C), with roughly 1811 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Chilliwack-Downtown 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-Downtown climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
6°
0°
Feb
7°
0°
Mar
11°
1°
Apr
13°
4°
May
19°
8°
Jun
21°
11°
Jul
25°
14°
Aug
25°
14°
Sep
21°
12°
Oct
15°
8°
Nov
9°
3°
Dec
4°
-1°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Chilliwack-Downtown has changed since 1995

Chilliwack-Downtown sits in the same roughly 50 km square of NASA's reanalysis as Chilliwack. That square shows no clear change in temperature between 1995-2004 and 2015-2024. See the full 30-year picture on the Chilliwack page.

Which forecast is most accurate in Chilliwack-Downtown?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
91
/100rank #1
88±0.7°C97±1.4 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
81
/100rank #2
79±1.1°C92±3.8 km/h7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
77
/100rank #3
71±1.6°C95±2.6 km/h7184% 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 1320 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
Loading ratings…
EuropeanECMWF
Loading ratings…
AmericanNOAA GFS
Loading ratings…

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±5°9° to 14°±46%53% to 99% chance
Tomorrow±4°13° to 17°±39%49% to 88% chance
Mon±3°13° to 16°±22%7% to 29% chance
Tue±3°10° to 13°±22%49% to 71% chance
Wed±1°9° to 10°±25%51% to 76% 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-Downtown

today, local time
Sunrise
07:43
Sunset
18:00
Daylight
10h 17m

Common questions

What's the weather in Chilliwack-Downtown today?
Saturday, October 24: Env. Canada, the European and the American model put Chilliwack-Downtown's high today between 9° and 14°, a 5° split. Tomorrow: drizzle, around 14°, with a 88% chance of rain. The forecast on this page refreshes live.
Will it rain in Chilliwack-Downtown today or tomorrow?
The models split on rain in Chilliwack-Downtown on Sunday, October 25: Env. Canada 69%, European 88%, American 49%. When they disagree like this, treat any single app's answer with caution. On Saturday, October 24 the highest chance of rain from any model is 99%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Chilliwack-Downtown?
Over the last 30 days, the European model has been the most accurate for Chilliwack-Downtown (CheckWeather Score 91/100), ahead of the American at 81. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Chilliwack-Downtown?
July is typically the warmest month in Chilliwack-Downtown, with average highs around 25°C.
How cold does Chilliwack-Downtown get?
The coldest month in Chilliwack-Downtown is December, when overnight lows average about -1°C.
How much rain does Chilliwack-Downtown get?
Chilliwack-Downtown sees roughly 1811 mm of precipitation a year, with November usually the wettest month.

Nearby

More CA weather