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CheckWeather CA›Niagara-on-the-Lake
Forecast confidence: High · models disagree by 1°C

Niagara-on-the-Lake weather

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Clear,warmer tomorrow

Env. Canada, the European and the American model agree on a high near 15° in Niagara-on-the-Lake today. Tomorrow: cloudy, around 18°, with a 2% chance of rain.

15°4°
18°7°
16°11°
11°6°
15°4°
19°10°
Todaymodels agreeTomorrowmodels agreeMondaymodels agreeTuesdaymodels agreeWednesdaysplit ±5°Thursdaymodels agree
Env. CanadaGEM model
3°
Clear
Feels 0° · Wind 8 km/h · Humidity 90%
EuropeanECMWF
6°
Clear
Feels 3° · Wind 8 km/h · Humidity 86%
AmericanNOAA GFS
2°
Clear
Feels -1° · Wind 5 km/h · Humidity 78%

Latest for Niagara-on-the-Lake: Env. Canada (GEM model): 3° Clear · European (ECMWF): 6° Clear · American (NOAA GFS): 2° Clear.

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Niagara-on-the-Lake weather in numbers

measured normals and 10 years of recorded weather

Niagara-on-the-Lake swings 31°C across the year, from 25°C highs in July to -6°C lows in February, and September is usually the wettest month in a year that brings about 921 mm of precipitation. Over 10 years of recorded weather it averages 69 days a year at 25°C or above, 10 of them at 30°C or above, 96 frost nights, and rain on 144 days.

Warmest month
July
25°C average high
Coldest month
February
-6°C average low
Wettest month
September
921 mm a year
Comfortable
4 months
May, June, July and August
Residents
18,000
share this forecast
Most accurate here
European
90/100 CheckWeather Score
Warm days
69 days
a year at 25°C or above
Frost nights
96 nights
a year below 0°C
Rain days
144 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Clear
15° 4°
models agree
Tomorrow
Cloudy
18° 7°
models agree
Mon
Cloudy
16° 11°
models agree
Tue
Cloudy
11° 6°
models agree
Wed
Cloudy
15° 4°
±5°
Thu
Cloudy
19° 10°
models agree
Fri
Clear
16° 9°
±3°
Sat
Partly cloudy
18° 8°
models agree
Sun
Cloudy
20° 11°
models agree
Mon
Heavy drizzle
17° 9°
±4°
Tue
Light drizzle
13° 5°
models agree
Wed
Light drizzle
9° 4°
models agree
Thu
Light drizzle
12° 5°
±6°
Fri
Light drizzle
11° 5°
±3°

Niagara-on-the-Lake, Ontario is at its warmest in Jul (average highs near 25°C) and coldest in Feb (lows around -6°C), with roughly 921 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Niagara-on-the-Lake 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.

Niagara-on-the-Lake climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
-1°
-5°
Feb
2°
-6°
Mar
5°
-2°
Apr
12°
3°
May
17°
8°
Jun
22°
14°
Jul
25°
17°
Aug
24°
17°
Sep
20°
13°
Oct
14°
8°
Nov
8°
2°
Dec
3°
-2°

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

How the weather around Niagara-on-the-Lake has changed since 1995

Niagara-on-the-Lake sits in the same roughly 50 km square of NASA's reanalysis as Toronto. That square ran 2.1°C warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Toronto page.

Which forecast is most accurate in Niagara-on-the-Lake?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
90
/100rank #1
87±0.7°C97±1.7 km/h8994% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
EC
Env. Canada
88
/100rank #2
82±1.0°C87±6.3 km/h9597% hitEnvironment and Climate Change CanadaDorval, Québec, Canada
American logo
American
84
/100rank #3
85±0.8°C95±2.4 km/h7687% 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 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±1°14° to 15°models agree0% to 0% chance
Tomorrow±2°17° to 19°±2%0% to 2% chance
Mon±1°16° to 17°±8%0% to 8% chance
Tue±1°10° to 12°±5%0% to 5% chance
Wed±5°13° to 18°±5%0% to 5% 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 Niagara-on-the-Lake

today, local time
Sunrise
07:41
Sunset
18:19
Daylight
10h 38m

Common questions

What's the weather in Niagara-on-the-Lake today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 15° in Niagara-on-the-Lake today. Tomorrow: cloudy, around 18°, with a 2% chance of rain. The forecast on this page refreshes live.
Will it rain in Niagara-on-the-Lake today or tomorrow?
Rain looks unlikely in Niagara-on-the-Lake on Sunday, October 25: no model gives more than 2% (Env. Canada 0%, European 2%, American 0%). On Saturday, October 24 the highest chance of rain from any model is 0%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Niagara-on-the-Lake?
Over the last 30 days, the European model has been the most accurate for Niagara-on-the-Lake (CheckWeather Score 90/100), ahead of the Env. Canada at 88. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Niagara-on-the-Lake?
July is typically the warmest month in Niagara-on-the-Lake, with average highs around 25°C.
How cold does Niagara-on-the-Lake get?
The coldest month in Niagara-on-the-Lake is February, when overnight lows average about -6°C.
How much rain does Niagara-on-the-Lake get?
Niagara-on-the-Lake sees roughly 921 mm of precipitation a year, with September usually the wettest month.

Nearby

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