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CheckWeather CA›Tsawwassen
Forecast confidence: Medium · models disagree by 3°C

Tsawwassen weather

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Light drizzle,rain likely tomorrow

Env. Canada, the European and the American model put Tsawwassen's high today between 9° and 12°, a 3° split. Tomorrow: drizzle, around 13°, with a 94% chance of rain.

10°6°
13°8°
13°7°
11°7°
9°6°
8°5°
Todaysplit ±3°Tomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
10°
Light drizzle
Today 10°·Low 6°·Rain 48%
EuropeanECMWF
9°
Drizzle
Today 9°·Low 6°·Rain 92%
AmericanNOAA GFS
12°
Light rain
Today 12°·Low 6°·Rain 50%
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Tsawwassen weather in numbers

measured normals and 10 years of recorded weather

Tsawwassen swings 20°C across the year, from 22°C highs in July to 2°C lows in January, and November is usually the wettest month in a year that brings about 1162 mm of precipitation. Over 10 years of recorded weather it averages 12 days a year at 25°C or above, 30 frost nights, and rain on 158 days.

Warmest month
July
22°C average high
Coldest month
January
2°C average low
Wettest month
November
1162 mm a year
Comfortable
4 months
May, June, July and August
Residents
22,000
share this forecast
Most accurate here
American
88/100 CheckWeather Score
Warm days
12 days
a year at 25°C or above
Frost nights
30 nights
a year below 0°C
Rain days
158 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Tsawwassen’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 Tsawwassen and nearby towns.Live rain radar →
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Tsawwassen 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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Tsawwassen 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
10° 6°
±3°
Tomorrow
Drizzle
13° 8°
models agree
Mon
Cloudy
13° 7°
models agree
Tue
Heavy drizzle
11° 7°
models agree
Wed
Drizzle
9° 6°
models agree
Thu
Cloudy
8° 5°
models agree
Fri
Mostly clear
8° 3°
±3°
Sat
Cloudy
8° 2°
models agree
Sun
Cloudy
10° 4°
±4°
Mon
Light rain
11° 6°
models agree
Tue
Heavy drizzle
11° 5°
models agree
Wed
Light drizzle
11° 6°
models agree
Thu
Heavy drizzle
11° 9°
±4°

Tsawwassen, British Columbia is at its warmest in Jul (average highs near 22°C) and coldest in Jan (lows around 2°C), with roughly 1162 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Tsawwassen 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.

Tsawwassen climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
6°
2°
Feb
7°
2°
Mar
9°
3°
Apr
12°
6°
May
16°
8°
Jun
18°
11°
Jul
22°
13°
Aug
22°
14°
Sep
19°
12°
Oct
14°
8°
Nov
9°
4°
Dec
6°
2°

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

How the weather around Tsawwassen has changed since 1995

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

Which forecast is most accurate in Tsawwassen?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
American logo
American ★ Best
88
/100rank #1
83±1.0°C94±2.8 km/h8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
82
/100rank #2
90±0.6°C95±2.3 km/h6581% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
European logo
European
82
/100rank #3
77±1.3°C90±4.9 km/h8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

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±3°9° to 12°±44%48% to 92% chance
Tomorrow±2°13° to 14°±29%65% to 94% chance
Mon±2°12° to 14°±14%15% to 29% chance
Tuemodels agree11° to 11°±42%17% to 59% chance
Wed±1°9° to 10°±19%48% to 67% 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 Tsawwassen

today, local time
Sunrise
07:47
Sunset
18:04
Daylight
10h 17m

Common questions

What's the weather in Tsawwassen today?
Saturday, October 24: Env. Canada, the European and the American model put Tsawwassen's high today between 9° and 12°, a 3° split. Tomorrow: drizzle, around 13°, with a 94% chance of rain. The forecast on this page refreshes live.
Will it rain in Tsawwassen today or tomorrow?
Rain is likely in Tsawwassen on Sunday, October 25: every model gives at least 65% (Env. Canada 76%, European 94%, American 65%). On Saturday, October 24 the highest chance of rain from any model is 92%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Tsawwassen?
Over the last 30 days, the American model has been the most accurate for Tsawwassen (CheckWeather Score 88/100), 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 Tsawwassen?
July is typically the warmest month in Tsawwassen, with average highs around 22°C.
How cold does Tsawwassen get?
The coldest month in Tsawwassen is January, when overnight lows average about 2°C.
How much rain does Tsawwassen get?
Tsawwassen sees roughly 1162 mm of precipitation a year, with November usually the wettest month.

Nearby

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