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Weather in Brockville, Ontario, Canada

Now
10 °F

Frigid.


Feels Like: 1 °F
Forecast: 26 / 1 °F
Wind: 5 mph from Southwest

Location: Grenadier Island
Current Time: Dec 9, 2025 at 7:21:01 am
Latest Report: Dec 9, 2025 at 7:00 am
Visibility: N/A
Pressure: 30.19 "Hg
Humidity: 81%
Dew Point: 5 °F
Location of BrockvilleLocation

Upcoming 5 hours

Now8:00 am9:00 am10:00 am11:00 am12:00 pm
10 °F8 °F12 °F16 °F20 °F22 °F

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Forecast for the next 48 hours

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 TuesdayWednesday
 MorningAfternoonEveningNightMorningAfternoonEvening
Forecast
Temperature12 °F24 °F23 °F26 °F29 °F33 °F30 °F
Overcast.Overcast.Overcast.Moderate snow. Overcast.Moderate snow. Overcast.Heavy snow. Overcast.Moderate snow. Overcast.
Feels Like0 °F14 °F11 °F15 °F20 °F28 °F22 °F
Wind Speed8 mph10 mph13 mph14 mph10 mph6 mph10 mph
Wind DirectionS
S
S
S
S
S
WNW
Humidity88%62%82%89%90%94%91%
Dew Point9 °F13 °F18 °F23 °F26 °F31 °F28 °F
Visibility5 mi6 mi3 mi2 mi2 mi0 mi0 mi
Probability of Precipitation0%0%1%19%25%41%52%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.00"0.00"0.00"1.04"1.89"2.20"1.08"
* Updated Tuesday, December 9, 2025 2:42:35 am Brockville time - Weather by CustomWeather, © 2025

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

Yesterday's weather

Cold. 16 / 5 °F
Humidity: 80%. Wind: 3 mph from Southwest

More weather last week

Currently at nearby stations

5 °F

Upper Rideau Lake: (31 mi)

Overcast. (3 hours ago)

3 °F

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

Overcast.

2 °F

Watertown International Airport: (44 mi)

Light snow. Ice fog.

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Forecast for the next 2 weeks

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SunMonTueWedThuFriSat
7
8

View historic weather

24
25
26
27

Detailed forecast for 14 days