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Forecast confidence: High · models disagree by 1°C

Rayside-Balfour weather

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Cloudy,rain likely tomorrow

Env. Canada, the European and the American model agree on a high near 15° in Rayside-Balfour today. Tomorrow: light drizzle, around 15°, with a 27% chance of rain, and the models disagree, so treat it as uncertain.

15°1°
15°4°
11°1°
5°-3°
11°1°
14°6°
Todaymodels agreeTomorrowsplit ±5°Mondaysplit ±3°Tuesdaysplit ±3°Wednesdaysplit ±3°Thursdaysplit ±4°
Env. CanadaGEM model
-1°
Clear
Feels -4° · Wind 1 km/h · Humidity 95%
EuropeanECMWF
4°
Mainly clear
Feels 2° · Wind 4 km/h · Humidity 99%
AmericanNOAA GFS
2°
Fog
Feels 0° · Wind 2 km/h · Humidity 100%

Latest for Rayside-Balfour: Env. Canada (GEM model): -1° Clear · European (ECMWF): 4° Mainly clear · American (NOAA GFS): 2° Fog.

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Rayside-Balfour weather in numbers

measured normals and 10 years of recorded weather

Rayside-Balfour swings 41°C across the year, from 24°C highs in July to -17°C lows in February, and September is usually the wettest month in a year that brings about 856 mm of precipitation. Over 10 years of recorded weather it averages 44 days a year at 25°C or above, 3 of them at 30°C or above, 170 frost nights, and rain on 133 days.

Warmest month
July
24°C average high
Coldest month
February
-17°C average low
Wettest month
September
856 mm a year
Comfortable
4 months
May, June, July and August
Residents
15,000
share this forecast
Most accurate here
European
97/100 CheckWeather Score
Warm days
44 days
a year at 25°C or above
Frost nights
170 nights
a year below 0°C
Rain days
133 days
a year with 1 mm or more

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

where the models agree, and where they split
Today
Cloudy
15° 1°
models agree
Tomorrow
Light drizzle
15° 4°
±5°
Mon
Cloudy
11° 1°
±3°
Tue
Cloudy
5° -3°
±3°
Wed
Cloudy
11° 1°
±3°
Thu
Light drizzle
14° 6°
±4°
Fri
Light drizzle
12° 4°
models agree
Sat
Heavy drizzle
14° 5°
±6°
Sun
Light rain
14° 8°
±3°
Mon
Rain
13° 4°
±2°
Tue
Light drizzle
7° 0°
±3°
Wed
Light snow
5° -1°
models agree
Thu
Light drizzle
7° 1°
models agree
Fri
Cloudy
7° 0°
±3°

Rayside-Balfour, Ontario is at its warmest in Jul (average highs near 24°C) and coldest in Feb (lows around -17°C), with roughly 856 mm of precipitation across the year. Below, compare what Env. Canada, European, American forecast for Rayside-Balfour 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.

Rayside-Balfour climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
-8°
-16°
Feb
-6°
-17°
Mar
-1°
-10°
Apr
9°
-2°
May
18°
5°
Jun
22°
11°
Jul
24°
14°
Aug
24°
13°
Sep
20°
9°
Oct
11°
3°
Nov
3°
-3°
Dec
-4°
-11°

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

How the weather around Rayside-Balfour has changed since 1995

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

Which forecast is most accurate in Rayside-Balfour?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
97
/100rank #1
97±0.2°C99±0.7 km/h9597% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
85
/100rank #2
86±0.8°C96±1.8 km/h7687% hitNOAA / NCEP (United States)College Park, Maryland, USA
EC
Env. Canada
84
/100rank #3
88±0.7°C90±4.8 km/h7687% 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±1°14° to 16°±1%0% to 1% chance
Tomorrow±5°12° to 17°±27%0% to 27% chance
Mon±3°10° to 13°±23%0% to 23% chance
Tue±3°4° to 7°±2%0% to 2% chance
Wed±3°10° to 13°±27%10% to 37% 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 Rayside-Balfour

today, local time
Sunrise
07:55
Sunset
18:21
Daylight
10h 26m

Common questions

What's the weather in Rayside-Balfour today?
Saturday, October 24: Env. Canada, the European and the American model agree on a high near 15° in Rayside-Balfour today. Tomorrow: light drizzle, around 15°, with a 27% chance of rain, and the models disagree, so treat it as uncertain. The forecast on this page refreshes live.
Will it rain in Rayside-Balfour today or tomorrow?
The models split on rain in Rayside-Balfour on Sunday, October 25: Env. Canada 0%, European 27%, American 13%. 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 1%. The hourly strip and the model-by-model rain panel above update live.
Which forecast is most accurate for Rayside-Balfour?
Over the last 30 days, the European model has been the most accurate for Rayside-Balfour (CheckWeather Score 97/100), ahead of the American at 85. We grade every model against the recorded weather. See the CA accuracy scoreboard for the full method.
What is the warmest month in Rayside-Balfour?
July is typically the warmest month in Rayside-Balfour, with average highs around 24°C.
How cold does Rayside-Balfour get?
The coldest month in Rayside-Balfour is February, when overnight lows average about -17°C.
How much rain does Rayside-Balfour get?
Rayside-Balfour sees roughly 856 mm of precipitation a year, with September usually the wettest month.

Nearby

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