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CheckWeather CASouth Riverdale
Forecast confidence: High · models disagree by 1°C

South Riverdale weather

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Mostly clear,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 21° in South Riverdale today. Tomorrow looks clear around 23°, with a 5% chance of rain.

21°16°
23°15°
23°16°
24°19°
24°18°
21°14°
Todaymodels agreeTomorrowmodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaysplit ±3°Fridaysplit ±3°
Env. CanadaGEM model
21°
Mostly clear
Today 21°·Low 17°·Rain 0%
EuropeanECMWF
20°
Light drizzle
Today 20°·Low 16°·Rain 8%
AmericanNOAA GFS
21°
Mostly clear
Today 21°·Low 15°·Rain 0%

The weather map: all three models at once

Env. Canada, European, American side by side around South Riverdale and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Mostly clear
21° 16°
models agree
Tomorrow
Clear
23° 15°
models agree
Tue
Cloudy
23° 16°
models agree
Wed
Light drizzle
24° 19°
±5°
Thu
Cloudy
24° 18°
±3°
Fri
Partly cloudy
21° 14°
±3°
Sat
Showers
24° 16°
±5°
Sun
Mostly clear
23° 16°
±10°
Mon
Clear
18° 13°
±5°
Tue
Clear
20° 15°
models agree
Wed
Cloudy
20° 14°
±3°
Thu
Light drizzle
20° 15°
±4°
Fri
Light drizzle
20° 14°
models agree
Sat
Drizzle
19° 16°
models agree

South Riverdale, Ontario is at its warmest in Jul (average highs near 25°C) and coldest in Feb (lows around -4°C), with roughly 971 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for South Riverdale 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.

South Riverdale climate by month

average daytime high and overnight low across a typical year
Jan
-3°
Feb
-4°
Mar
-1°
Apr
11°
May
17°
Jun
22°
15°
Jul
25°
18°
Aug
24°
17°
Sep
22°
16°
Oct
16°
10°
Nov
Dec

Which forecast is most accurate in South Riverdale?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
European logo
European ★ Best
82
/100rank #1
80±1.1°C95±2.7 km/t7687% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
78
/100rank #2
85±0.8°C94±3.1 km/t5877% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
69
/100rank #3
73±1.5°C93±3.4 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 1302 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.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±1°20° to 21°±8%0% to 8% chance
Tomorrow±1°22° to 23°±5%0% to 5% chance
Tue±1°22° to 24°±6%0% to 6% chance
Wed±5°21° to 26°±18%43% to 61% chance
Thu±3°23° to 25°±8%6% to 14% 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 South Riverdale

today, local time
Sunrise
06:46
Sunset
19:44
Daylight
12h 58m

Common questions

What's the weather in South Riverdale today?
On this page we show what Env. Canada, European, American each forecast for South Riverdale 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 South Riverdale today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for South Riverdale 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 South Riverdale?
Over the last 30 days, the European model has been the most accurate for South Riverdale (CheckWeather Score 82/100), ahead of the Env. Canada at 78. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in South Riverdale?
July is typically the warmest month in South Riverdale, with average highs around 25°C.
How cold does South Riverdale get?
The coldest month in South Riverdale is February, when overnight lows average about -4°C.
How much rain does South Riverdale get?
South Riverdale sees roughly 971 mm of precipitation a year, with April usually the wettest month.

Nearby

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