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Forecast confidence: High · models disagree by 1°C

Comox weather

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Rain,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 9° in Comox today. Tomorrow: light rain, around 10°, with a 100% chance of rain.

9°7°
10°7°
12°6°
10°5°
7°4°
8°3°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±3°Thursdaymodels agree
Env. CanadaGEM model
5°
Overcast
Feels 3° · Wind 2 km/h · Humidity 96%
EuropeanECMWF
7°
Drizzle
Feels 5° · Wind 10 km/h · Humidity 94%
AmericanNOAA GFS
6°
Light drizzle
Feels 3° · Wind 6 km/h · Humidity 87%

Latest for Comox: Env. Canada (GEM model): 5° Overcast · European (ECMWF): 7° Drizzle · American (NOAA GFS): 6° Light drizzle.

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Comox weather in numbers

measured normals and 10 years of recorded weather

Comox swings 20°C across the year, from 21°C highs in July to 1°C lows in January, and December is usually the wettest month in a year that brings about 1535 mm of precipitation. Over 10 years of recorded weather it averages 16 days a year at 25°C or above, 1 of them at 30°C or above, 35 frost nights, and rain on 157 days.

Warmest month
July
21°C average high
Coldest month
January
1°C average low
Wettest month
December
1535 mm a year
Comfortable
4 months
June, July, August and September
Residents
15,000
share this forecast
Most accurate here
European
97/100 CheckWeather Score
Warm days
16 days
a year at 25°C or above
Frost nights
35 nights
a year below 0°C
Rain days
157 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Comox’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 Comox and nearby towns.Live rain radar →
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Comox 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

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Comox 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Rain
9° 7°
models agree
Tomorrow
Light rain
10° 7°
models agree
Mon
Light drizzle
12° 6°
models agree
Tue
Heavy drizzle
10° 5°
models agree
Wed
Light drizzle
7° 4°
±3°
Thu
Mostly clear
8° 3°
models agree
Fri
Clear
8° 2°
models agree
Sat
Light drizzle
8° 2°
models agree
Sun
Light drizzle
9° 5°
models agree
Mon
Light rain
11° 6°
models agree
Tue
Light drizzle
10° 3°
models agree
Wed
Light rain
10° 7°
models agree
Thu
Light rain
12° 8°
±4°

Comox, British Columbia is at its warmest in Jul (average highs near 21°C) and coldest in Jan (lows around 1°C), with roughly 1535 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Comox 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.

Comox climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
5°
1°
Feb
6°
1°
Mar
8°
2°
Apr
11°
5°
May
15°
7°
Jun
18°
10°
Jul
21°
12°
Aug
20°
12°
Sep
17°
10°
Oct
12°
7°
Nov
8°
4°
Dec
4°
1°

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

How the weather around Comox has changed since 1995

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

Which forecast is most accurate in Comox?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
96±0.2°C94±2.8 km/h100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
82
/100rank #2
79±1.2°C94±3.1 km/h7687% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
79
/100rank #3
72±1.6°C93±3.5 km/h7687% 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 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
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EuropeanECMWF
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AmericanNOAA GFS
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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±1°8° to 9°±10%90% to 100% chance
Tomorrowmodels agree10° to 10°±10%90% to 100% chance
Monmodels agree12° to 12°±47%12% to 59% chance
Tuemodels agree10° to 10°±25%38% to 63% chance
Wed±3°6° to 8°±23%34% to 57% 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 Comox

today, local time
Sunrise
07:55
Sunset
18:10
Daylight
10h 15m

Common questions

What's the weather in Comox today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 9° in Comox today. Tomorrow: light rain, around 10°, with a 100% chance of rain. The forecast on this page refreshes live.
Will it rain in Comox today or tomorrow?
Rain is likely in Comox on Sunday, October 25: every model gives at least 90% (Env. Canada 100%, European 99%, American 90%). On Saturday, October 24 the highest chance of rain from any model is 100%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Comox?
Over the last 30 days, the European model has been the most accurate for Comox (CheckWeather Score 97/100), 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 Comox?
July is typically the warmest month in Comox, with average highs around 21°C.
How cold does Comox get?
The coldest month in Comox is January, when overnight lows average about 1°C.
How much rain does Comox get?
Comox sees roughly 1535 mm of precipitation a year, with December usually the wettest month.

Nearby

More CA weather