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Forecast confidence: High · models disagree by 1°C

Surrey weather

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Clear,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 20° in Surrey today. Tomorrow looks cloudy around 20°, with a 0% chance of rain.

20°
20°
20°
19°10°
19°10°
18°10°
Todaymodels agreeTomorrowmodels agreeSundaymodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaymodels agree
Env. CanadaGEM model
19°
Clear
Today 19°·Low ·Rain 0%
EuropeanECMWF
20°
Partly cloudy
Today 20°·Low 10°·Rain 0%
AmericanNOAA GFS
20°
Cloudy
Today 20°·Low ·Rain 0%
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Surrey weather in numbers

measured normals and 10 years of recorded weather

Surrey swings 23°C across the year, from 24°C highs in July to 1°C lows in January, and December is usually the wettest month in a year that brings about 1478 mm of precipitation. Over 10 years of recorded weather it averages 27 days a year at 25°C or above, 3 of them at 30°C or above, 50 frost nights, and rain on 163 days.

Warmest month
July
24°C average high
Coldest month
January
1°C average low
Wettest month
December
1478 mm a year
Comfortable
4 months
May, June, July and August
Residents
568,000
share this forecast
Most accurate here
European
88/100 CheckWeather Score
Warm days
27 days
a year at 25°C or above
Frost nights
50 nights
a year below 0°C
Rain days
163 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Surrey’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 Surrey and nearby towns.Live rain radar →
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Surrey in 3D: the weather on the streets, hour by hour

Rain, sun and real shadows drawn on a 3D map of Surrey, 48 hours ahead. Drag the timeline, pick what you are doing or where you are going, and read the verdict for that hour.Full screen ↗

What are you doing?

Where are you going?

Surrey 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…

Surrey 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Clear
20°
models agree
Tomorrow
Cloudy
20°
models agree
Sun
Cloudy
20°
models agree
Mon
Cloudy
19° 10°
models agree
Tue
Cloudy
19° 10°
models agree
Wed
Cloudy
18° 10°
models agree
Thu
Drizzle
16° 10°
models agree
Fri
Heavy drizzle
16°
±2°
Sat
Cloudy
18°
±4°
Sun
Mostly clear
17°
±5°
Mon
Light drizzle
20° 10°
±7°
Tue
Light rain
17° 10°
±8°
Wed
Heavy drizzle
16°
±4°
Thu
Light drizzle
15°
models agree

Surrey, British Columbia. Below we compare what Env. Canada, European, American forecast for Surrey right now and flag exactly where they disagree, then break down Surrey's weather month by month and which forecast model has been most accurate here.

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.

Surrey weather by month

what to expect in Surrey through the year

Here is Surrey's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Surrey by season.

Jan
Cold
Feb
Cold
Mar
10°
Cool
Apr
12°
Cool
May
18°
Mild
Jun
19°
10°
Mild
Jul
24°
13°
Warm
Aug
24°
14°
Warm
Sep
19°
11°
Mild
Oct
14°
Cool
Nov
Cool
Dec
Cold
Wettest

What Surrey's weather is like through the year

Surrey runs from warm summers, with July highs near 24°C, to cold winters, when January lows sit around 1°C (a swing of about 23°C across the year). December is usually the wettest month, and Surrey sees roughly 1478 mm of precipitation annually.

Best time to visit Surrey

The most comfortable time to visit Surrey is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.

Which forecast is most accurate in Surrey?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
88
/100rank #1
93±0.4°C98±1.2 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
77
/100rank #2
91±0.5°C95±2.6 km/t4771% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
73
/100rank #3
82±1.0°C95±2.3 km/t4771% 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.

Bottom line: over the last 30 days the European model has been the most accurate forecast for Surrey, scoring 88/100 on our CheckWeather Score, ahead of the Env. Canada at 77. See the full CA accuracy scoreboard for exactly how every model is tested.

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°19° to 20°models agree0% to 0% chance
Tomorrow±2°19° to 21°models agree0% to 0% chance
Sun±2°19° to 21°models agree0% to 0% chance
Mon±2°18° to 20°models agree0% to 0% chance
Tue±2°18° to 19°±11%0% to 11% 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 Surrey

today, local time
Sunrise
06:52
Sunset
19:17
Daylight
12h 25m

Common questions

What's the weather in Surrey today?
On this page we show what Env. Canada, European, American each forecast for Surrey 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 Surrey today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Surrey 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 Surrey?
Over the last 30 days, the European model has been the most accurate for Surrey (CheckWeather Score 88/100), ahead of the Env. Canada at 77. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Surrey?
July is typically the warmest month in Surrey, with average highs around 24°C.
How cold does Surrey get?
The coldest month in Surrey is January, when overnight lows average about 1°C.
How much rain does Surrey get?
Surrey sees roughly 1478 mm of precipitation a year, with December usually the wettest month.
When is the best time to visit Surrey?
The most comfortable time to visit Surrey is usually May, June, July and August, when daytime highs sit in the pleasant 16-26°C range and the heaviest December rain is behind you.
Does it snow in Surrey?
Rarely - Surrey very seldom sees overnight lows drop below freezing, so lasting snow is unusual.

Nearby

More CA weather