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Forecast confidence: High · models disagree by 2°C

Summerland weather

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Light drizzle,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 10° in Summerland today. Tomorrow: cloudy, around 11°, with a 39% chance of rain.

10°4°
11°4°
12°4°
11°4°
8°3°
7°1°
Todaymodels agreeTomorrowsplit ±3°Mondaysplit ±3°Tuesdaysplit ±4°Wednesdaysplit ±3°Thursdaysplit ±4°
Env. CanadaGEM model
3°
Mainly clear
Feels 0° · Wind 1 km/h · Humidity 43%
EuropeanECMWF
6°
Overcast
Feels 3° · Wind 2 km/h · Humidity 40%
AmericanNOAA GFS
2°
Overcast
Feels -1° · Wind 3 km/h · Humidity 48%

Latest for Summerland: Env. Canada (GEM model): 3° Mainly clear · European (ECMWF): 6° Overcast · American (NOAA GFS): 2° Overcast.

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Summerland weather in numbers

from 30 years of measured normals

Summerland swings 32°C across the year, from 29°C highs in July to -3°C lows in January, and June is usually the wettest month in a year that brings about 381 mm of precipitation.

Warmest month
July
29°C average high
Coldest month
January
-3°C average low
Wettest month
June
381 mm a year
Below freezing
3 months
January, February and December
Comfortable
2 months
May and September
Residents
12,000
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The weather map: all three models at once

Env. Canada, European, American side by side around Summerland and nearby towns.Live rain radar →
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Summerland 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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Summerland 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
10° 4°
models agree
Tomorrow
Cloudy
11° 4°
±3°
Mon
Partly cloudy
12° 4°
±3°
Tue
Light rain
11° 4°
±4°
Wed
Light drizzle
8° 3°
±3°
Thu
Cloudy
7° 1°
±4°
Fri
Mostly clear
6° -1°
±6°
Sat
Mostly clear
6° -2°
±3°
Sun
Cloudy
8° -2°
±4°
Mon
Light drizzle
10° 1°
models agree
Tue
Light drizzle
12° 0°
±3°
Wed
Light drizzle
9° 1°
±6°
Thu
Light drizzle
9° 4°
±4°

Summerland, British Columbia is at its warmest in Jul (average highs near 29°C) and coldest in Jan (lows around -3°C), with roughly 381 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Summerland 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.

Summerland climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
2°
-3°
Feb
5°
-2°
Mar
10°
0°
Apr
13°
2°
May
19°
7°
Jun
24°
11°
Jul
29°
13°
Aug
28°
15°
Sep
22°
11°
Oct
14°
6°
Nov
7°
1°
Dec
2°
-3°

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

How the weather around Summerland has changed since 1995

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

Which forecast is most accurate in Summerland?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
92
/100rank #1
88±0.7°C95±2.7 km/h9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
81
/100rank #2
80±1.1°C90±5.0 km/h7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
79
/100rank #3
76±1.3°C96±2.2 km/h7184% hitEnvironment and Climate Change CanadaDorval, Québec, Canada

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°10° to 11°±13%14% to 27% chance
Tomorrow±3°10° to 13°±20%19% to 39% chance
Mon±3°11° to 14°±37%14% to 51% chance
Tue±4°10° to 14°±31%26% to 57% chance
Wed±3°7° to 10°±23%48% to 71% 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 Summerland

today, local time
Sunrise
07:34
Sunset
17:50
Daylight
10h 16m

Common questions

What's the weather in Summerland today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 10° in Summerland today. Tomorrow: cloudy, around 11°, with a 39% chance of rain. The forecast on this page refreshes live.
Will it rain in Summerland today or tomorrow?
The models split on rain in Summerland on Sunday, October 25: Env. Canada 38%, European 39%, American 19%. When they disagree like this, treat any single app's answer with caution. On Saturday, October 24 the highest chance of rain from any model is 27%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Summerland?
Over the last 30 days, the European model has been the most accurate for Summerland (CheckWeather Score 92/100), ahead of the American at 81. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Summerland?
July is typically the warmest month in Summerland, with average highs around 29°C.
How cold does Summerland get?
The coldest month in Summerland is January, when overnight lows average about -3°C.
How much rain does Summerland get?
Summerland sees roughly 381 mm of precipitation a year, with June usually the wettest month.

Nearby

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