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CheckWeather CAWilliams Lake
Forecast confidence: Medium · models disagree by 2°C

Williams Lake weather

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Clear,much the same tomorrow

Env. Canada, the European and the American model put Williams Lake's high today between 23° and 25°, a 2° split. Tomorrow looks cloudy around 23°, with a 1% chance of rain.

24°
23°
24°
22°
20°
16°
Todaysplit ±2°Tomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±6°
Env. CanadaGEM model
23°
Clear
Today 23°·Low ·Rain 0%
EuropeanECMWF
23°
Partly cloudy
Today 23°·Low ·Rain 0%
AmericanNOAA GFS
25°
Cloudy
Today 25°·Low ·Rain 0%
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Williams Lake weather in numbers

measured normals and 10 years of recorded weather

Williams Lake swings 36°C across the year, from 27°C highs in July to -9°C lows in February, and June is usually the wettest month in a year that brings about 431 mm of precipitation. Over 10 years of recorded weather it averages 47 days a year at 25°C or above, 12 of them at 30°C or above, 170 frost nights, and rain on 106 days.

Warmest month
July
27°C average high
Coldest month
February
-9°C average low
Wettest month
June
431 mm a year
Comfortable
3 months
May, August and September
Residents
14,000
share this forecast
Most accurate here
European
89/100 CheckWeather Score
Warm days
47 days
a year at 25°C or above
Frost nights
170 nights
a year below 0°C
Rain days
106 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Clear
24°
±2°
Tomorrow
Cloudy
23°
models agree
Sun
Cloudy
24°
models agree
Mon
Cloudy
22°
models agree
Tue
Mostly clear
20°
models agree
Wed
Light drizzle
16°
±6°
Thu
Light drizzle
14°
±5°
Fri
Cloudy
14°
±3°
Sat
Light drizzle
16°
±3°
Sun
Partly cloudy
16°
±7°
Mon
Mostly clear
19°
±11°
Tue
Drizzle
14°
±6°
Wed
Light drizzle
13°
±8°
Thu
Cloudy
14°
±4°

Williams Lake, British Columbia is at its warmest in Jul (average highs near 27°C) and coldest in Feb (lows around -9°C), with roughly 431 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Williams Lake 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.

Williams Lake climate by month

average daytime high and overnight low across a typical year
Jan
-8°
Feb
-9°
Mar
-8°
Apr
12°
-1°
May
20°
Jun
22°
Jul
27°
12°
Aug
26°
12°
Sep
20°
Oct
12°
Nov
-3°
Dec
-4°

Which forecast is most accurate in Williams Lake?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
89
/100rank #1
90±0.6°C97±1.6 km/t8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
84
/100rank #2
85±0.9°C95±2.4 km/t7687% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
82
/100rank #3
83±0.9°C95±2.5 km/t7184% 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 1304 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±2°23° to 25°models agree0% to 0% chance
Tomorrow±1°23° to 24°±1%0% to 1% chance
Sun±1°23° to 25°models agree0% to 0% chance
Mon±1°22° to 23°±9%1% to 10% chance
Tue±2°19° to 20°±4%2% to 6% 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 Williams Lake

today, local time
Sunrise
06:48
Sunset
19:15
Daylight
12h 27m

Common questions

What's the weather in Williams Lake today?
On this page we show what Env. Canada, European, American each forecast for Williams Lake 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 Williams Lake today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Williams Lake 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 Williams Lake?
Over the last 30 days, the European model has been the most accurate for Williams Lake (CheckWeather Score 89/100), ahead of the Env. Canada at 84. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Williams Lake?
July is typically the warmest month in Williams Lake, with average highs around 27°C.
How cold does Williams Lake get?
The coldest month in Williams Lake is February, when overnight lows average about -9°C.
How much rain does Williams Lake get?
Williams Lake sees roughly 431 mm of precipitation a year, with June usually the wettest month.

Nearby

More CA weather