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Weather in Brockville, Ontario, Canada

Now
6 °F

Frigid.


Feels Like: 6 °F
Forecast: 24 / 2 °F
Wind: No wind

Location: Grenadier Island
Current Time: Dec 4, 2025 at 10:47:13 pm
Latest Report: Dec 4, 2025 at 10:00 pm
Visibility: N/A
Pressure: 30.35 "Hg
Humidity: 56%
Dew Point: -6 °F
Location of BrockvilleLocation

Upcoming 5 hours

Now11:00 pm12:00 am1:00 am2:00 am3:00 am
6 °F4 °F3 °F2 °F1 °F2 °F

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Forecast for the next 48 hours

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 ThursdayFridaySaturday
 EveningNightMorningAfternoonEveningNightMorning
Forecast
Temperature7 °F2 °F9 °F23 °F22 °F24 °F26 °F
Clear.Clear.Overcast.Overcast.Mostly cloudy.Overcast.Overcast.
Feels Like1 °F-7 °F-4 °F13 °F12 °F13 °F15 °F
Wind Speed3 mph4 mph9 mph9 mph9 mph10 mph13 mph
Wind DirectionWSW
S
S
S
S
S
S
Humidity59%76%72%60%73%82%84%
Dew Point-4 °F-4 °F2 °F11 °F15 °F19 °F22 °F
Visibility6 mi5 mi7 mi7 mi6 mi5 mi5 mi
Probability of Precipitation2%0%0%0%0%5%5%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"0.00"0.00"0.00"0.00"
* Updated Thursday, December 4, 2025 8:02:33 pm Brockville time - Weather by CustomWeather, © 2025

14 day forecast, day-by-dayHour-by-hour forecast for next week

Yesterday's weather

Chilly. 35 / 20 °F
Humidity: 85%. Wind: 8 mph from Southwest

More weather last week

Currently at nearby stations

27 °F

Upper Rideau Lake: (31 mi)

Passing clouds.

2 °F

Fort Drum / Wheeler-Sack U. S. Army Airfield: (37 mi)

Clear.

0 °F

Watertown International Airport: (44 mi)

Clear.

More weather in Canada

Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
30
1
2
3
4

View historic weather

20

Detailed forecast for 14 days