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CheckWeather CA›Williams Lake
Forecast confidence: Medium · models disagree by 2°C

Williams Lake weather

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Cloudy,warmer tomorrow

Env. Canada, the European and the American model put Williams Lake's high today between 8° and 10°, a 2° split. Tomorrow: clear, around 16°, with a 0% chance of rain.

10°3°
16°3°
15°6°
10°1°
7°0°
10°0°
Todaysplit ±2°Tomorrowsplit ±4°Mondaymodels agreeTuesdaymodels agreeWednesdaymodels agreeThursdaymodels agree
Env. CanadaGEM model
6°
Clear
Feels 1° · Wind 19 km/h · Humidity 70%
EuropeanECMWF
6°
Partly cloudy
Feels 1° · Wind 16 km/h · Humidity 66%
AmericanNOAA GFS
5°
Mainly clear
Feels 1° · Wind 18 km/h · Humidity 77%

Latest for Williams Lake: Env. Canada (GEM model): 6° Clear · European (ECMWF): 6° Partly cloudy · American (NOAA GFS): 5° Mainly clear.

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Williams Lake weather in numbers

from 30 years of measured normals

Williams Lake swings 32°C across the year, from 23°C highs in August to -9°C lows in February, and November is usually the wettest month in a year that brings about 1706 mm of precipitation.

Warmest month
August
23°C average high
Coldest month
February
-9°C average low
Wettest month
November
1706 mm a year
Below freezing
4 months
January, February, March and December
Comfortable
4 months
June, July, August and September
Residents
6,268
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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
Cloudy
10° 3°
±2°
Tomorrow
Clear
16° 3°
±4°
Mon
Partly cloudy
15° 6°
models agree
Tue
Light drizzle
10° 1°
models agree
Wed
Mostly clear
7° 0°
models agree
Thu
Mostly clear
10° 0°
models agree
Fri
Mostly clear
15° 6°
models agree
Sat
Partly cloudy
11° 3°
models agree
Sun
Clear
10° 2°
±6°
Mon
Light drizzle
11° 6°
±8°
Tue
Rain
14° 8°
±5°
Wed
Rain
14° 7°
±3°
Thu
Cloudy
10° 3°
±7°
Fri
Light drizzle
9° 1°
±5°

Williams Lake, Nova Scotia is at its warmest in Aug (average highs near 23°C) and coldest in Feb (lows around -9°C), with roughly 1706 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 (1991-2020)
Jan
0°
-7°
Feb
0°
-9°
Mar
4°
-3°
Apr
9°
0°
May
13°
5°
Jun
18°
11°
Jul
22°
15°
Aug
23°
16°
Sep
20°
13°
Oct
14°
8°
Nov
8°
2°
Dec
3°
-4°

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

How the weather around Williams Lake has changed since 1995

Williams Lake sits in the same roughly 50 km square of NASA's reanalysis as Halifax. That square ran 0.8°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Halifax page.

Which forecast is most accurate in Williams Lake?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
EC
Env. Canada ★ Best
91
/100rank #1
91±0.5°C95±2.6 km/h8994% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
89
/100rank #2
86±0.8°C95±2.7 km/h8994% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
87
/100rank #3
90±0.6°C96±2.1 km/h7687% 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±2°8° to 10°±14%0% to 14% chance
Tomorrow±4°14° to 18°models agree0% to 0% chance
Mon±1°15° to 16°±29%0% to 29% chance
Tue±1°10° to 11°±27%10% to 37% chance
Wed±1°6° to 8°models agree0% to 0% 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
07:41
Sunset
18:15
Daylight
10h 34m

Common questions

What's the weather in Williams Lake today?
Saturday, October 24: Env. Canada, the European and the American model put Williams Lake's high today between 8° and 10°, a 2° split. Tomorrow: clear, around 16°, with a 0% chance of rain. The forecast on this page refreshes live.
Will it rain in Williams Lake today or tomorrow?
Rain looks unlikely in Williams Lake on Sunday, October 25: no model gives more than 0% (Env. Canada 0%, European 0%, American 0%). On Saturday, October 24 the highest chance of rain from any model is 14%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Williams Lake?
Over the last 30 days, the Env. Canada model has been the most accurate for Williams Lake (CheckWeather Score 91/100), ahead of the American at 89. 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?
August is typically the warmest month in Williams Lake, with average highs around 23°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 1706 mm of precipitation a year, with November usually the wettest month.

Nearby

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