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

Innisfil weather

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Cloudy,much the same tomorrow

Env. Canada, the European and the American model agree on a high near 18° in Innisfil today. Tomorrow looks cloudy around 19°, with a 40% chance of rain.

18°
19°11°
14°
16°
16°
17°11°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±3°Thursdaymodels agree
Env. CanadaGEM model
18°
Cloudy
Today 18°·Low ·Rain 0%
EuropeanECMWF
17°
Cloudy
Today 17°·Low ·Rain 8%
AmericanNOAA GFS
18°
Cloudy
Today 18°·Low ·Rain 1%
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Innisfil weather in numbers

measured normals and 10 years of recorded weather

Innisfil swings 33°C across the year, from 26°C highs in July to -7°C lows in February, and April is usually the wettest month in a year that brings about 1036 mm of precipitation. Over 10 years of recorded weather it averages 60 days a year at 25°C or above, 10 of them at 30°C or above, 142 frost nights, and rain on 150 days.

Warmest month
July
26°C average high
Coldest month
February
-7°C average low
Wettest month
April
1036 mm a year
Comfortable
4 months
May, June, July and August
Residents
43,000
share this forecast
Most accurate here
European
95/100 CheckWeather Score
Warm days
60 days
a year at 25°C or above
Frost nights
142 nights
a year below 0°C
Rain days
150 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Cloudy
18°
models agree
Tomorrow
Cloudy
19° 11°
models agree
Mon
Cloudy
14°
models agree
Tue
Cloudy
16°
models agree
Wed
Cloudy
16°
±3°
Thu
Cloudy
17° 11°
models agree
Fri
Cloudy
20°
±3°
Sat
Clear
20°
±3°
Sun
Mostly clear
21°
±2°
Mon
Cloudy
20°
models agree
Tue
Light drizzle
20° 12°
models agree
Wed
Light drizzle
18° 13°
models agree
Thu
Cloudy
13°
models agree
Fri
Partly cloudy
16°
±10°

Innisfil, Ontario is at its warmest in Jul (average highs near 26°C) and coldest in Feb (lows around -7°C), with roughly 1036 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Innisfil 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.

Innisfil climate by month

average daytime high and overnight low across a typical year
Jan
-6°
Feb
-7°
Mar
-4°
Apr
13°
May
19°
Jun
23°
14°
Jul
26°
16°
Aug
24°
15°
Sep
22°
13°
Oct
15°
Nov
Dec
-3°

Which forecast is most accurate in Innisfil?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
95
/100rank #1
93±0.4°C97±1.3 km/t9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
86
/100rank #2
88±0.7°C96±2.0 km/t7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
84
/100rank #3
85±0.8°C92±3.8 km/t7687% 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 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±1°17° to 18°±8%0% to 8% chance
Tomorrow±1°19° to 20°±16%24% to 40% chance
Mon±1°14° to 15°models agree0% to 0% chance
Tue±1°16° to 17°±2%0% to 2% chance
Wed±3°14° to 17°±2%10% to 12% 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 Innisfil

today, local time
Sunrise
07:02
Sunset
19:21
Daylight
12h 19m

Common questions

What's the weather in Innisfil today?
On this page we show what Env. Canada, European, American each forecast for Innisfil 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 Innisfil today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Innisfil 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 Innisfil?
Over the last 30 days, the European model has been the most accurate for Innisfil (CheckWeather Score 95/100), ahead of the American at 86. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Innisfil?
July is typically the warmest month in Innisfil, with average highs around 26°C.
How cold does Innisfil get?
The coldest month in Innisfil is February, when overnight lows average about -7°C.
How much rain does Innisfil get?
Innisfil sees roughly 1036 mm of precipitation a year, with April usually the wettest month.

Nearby

More CA weather