Skip to main content
One weather site to rule them all
checkweather.io
CheckWeather CATillsonburg
Forecast confidence: Medium · models disagree by 2°C

Tillsonburg weather

Loading live data…

Light drizzle,rain likely tomorrow

Env. Canada, the European and the American model put Tillsonburg's high today between 19° and 21°, a 2° split. Tomorrow looks rain around 20°, with a 90% chance of rain.

20°13°
20°12°
16°10°
18°11°
15°11°
16°11°
Todaysplit ±2°Tomorrowsplit ±2°Mondaysplit ±3°Tuesdaymodels agreeWednesdaysplit ±3°Thursdaysplit ±5°
Env. CanadaGEM model
21°
Light drizzle
Today 21°·Low 14°·Rain 29%
EuropeanECMWF
19°
Light rain
Today 19°·Low 13°·Rain 80%
AmericanNOAA GFS
19°
Cloudy
Today 19°·Low 13°·Rain 33%
CheckWeather.io on iPhoneFree. No ads, no account.

Tillsonburg weather in numbers

measured normals and 10 years of recorded weather

Tillsonburg swings 30°C across the year, from 26°C highs in July to -4°C lows in January, and August is usually the wettest month in a year that brings about 1031 mm of precipitation. Over 10 years of recorded weather it averages 74 days a year at 25°C or above, 6 of them at 30°C or above, 123 frost nights, and rain on 141 days.

Warmest month
July
26°C average high
Coldest month
January
-4°C average low
Wettest month
August
1031 mm a year
Comfortable
4 months
May, June, July and September
Residents
19,000
share this forecast
Most accurate here
European
90/100 CheckWeather Score
Warm days
74 days
a year at 25°C or above
Frost nights
123 nights
a year below 0°C
Rain days
141 days
a year with 1 mm or more

Day counts are from the ERA5 reanalysis for Tillsonburg’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 Tillsonburg and nearby towns.Live rain radar →
Loading the three model maps…

Tillsonburg 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…

Tillsonburg 10-day forecast, out to 14 days

where the models agree, and where they split
Today
Light drizzle
20° 13°
±2°
Tomorrow
Rain
20° 12°
±2°
Mon
Cloudy
16° 10°
±3°
Tue
Cloudy
18° 11°
models agree
Wed
Light drizzle
15° 11°
±3°
Thu
Light drizzle
16° 11°
±5°
Fri
Cloudy
20°
±5°
Sat
Mostly clear
21°
±4°
Sun
Partly cloudy
21°
±3°
Mon
Cloudy
20° 10°
±3°
Tue
Light rain
20° 13°
models agree
Wed
Light rain
18° 13°
±3°
Thu
Cloudy
16° 11°
±2°
Fri
Partly cloudy
16°
±4°

Tillsonburg, Ontario is at its warmest in Jul (average highs near 26°C) and coldest in Jan (lows around -4°C), with roughly 1031 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Tillsonburg 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.

Tillsonburg climate by month

average daytime high and overnight low across a typical year
Jan
-4°
Feb
-4°
Mar
-2°
Apr
14°
May
21°
Jun
25°
15°
Jul
26°
17°
Aug
25°
16°
Sep
23°
14°
Oct
16°
Nov
Dec
-1°

Which forecast is most accurate in Tillsonburg?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
92±0.4°C97±1.6 km/t8290% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
84
/100rank #2
89±0.6°C96±2.2 km/t7184% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
74
/100rank #3
64±2.0°C94±3.0 km/t7184% 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
Loading ratings…
EuropeanECMWF
Loading ratings…
AmericanNOAA GFS
Loading ratings…

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°19° to 21°±51%29% to 80% chance
Tomorrow±2°19° to 21°±36%54% to 90% chance
Mon±3°15° to 18°±5%1% to 6% chance
Tue±2°17° to 19°±8%8% to 16% chance
Wed±3°14° to 17°±3%30% to 33% 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 Tillsonburg

today, local time
Sunrise
07:07
Sunset
19:25
Daylight
12h 18m

Common questions

What's the weather in Tillsonburg today?
On this page we show what Env. Canada, European, American each forecast for Tillsonburg 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 Tillsonburg today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from Env. Canada, European, American for Tillsonburg 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 Tillsonburg?
Over the last 30 days, the European model has been the most accurate for Tillsonburg (CheckWeather Score 90/100), ahead of the American at 84. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Tillsonburg?
July is typically the warmest month in Tillsonburg, with average highs around 26°C.
How cold does Tillsonburg get?
The coldest month in Tillsonburg is January, when overnight lows average about -4°C.
How much rain does Tillsonburg get?
Tillsonburg sees roughly 1031 mm of precipitation a year, with August usually the wettest month.

Nearby

More CA weather