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Weather in Brockville, Ontario, Canada

Now
26 °F

Chilly.


Feels Like: 15 °F
Forecast: 34 / 21 °F
Wind: 13 mph from Southwest

Location: Grenadier Island
Current Time: Dec 6, 2025 at 5:42:22 am
Latest Report: Dec 6, 2025 at 5:00 am
Visibility: N/A
Pressure: 29.79 "Hg
Humidity: 80%
Dew Point: 21 °F
Location of BrockvilleLocation

Upcoming 5 hours

Now6:00 am7:00 am8:00 am9:00 am10:00 am
26 °F24 °F24 °F24 °F25 °F28 °F

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Forecast for the next 48 hours

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 SaturdaySunday
 NightMorningAfternoonEveningNightMorningAfternoon
Forecast
Temperature23 °F25 °F33 °F29 °F18 °F16 °F19 °F
Light snow. Overcast.Light snow. Cloudy.Overcast.Mostly cloudy.Broken clouds.Overcast.Moderate snow. Light fog.
Feels Like12 °F14 °F24 °F23 °F11 °F8 °F11 °F
Wind Speed10 mph12 mph12 mph6 mph4 mph5 mph6 mph
Wind DirectionS
S
SSW
W
NNE
NNE
NNE
Humidity79%86%85%83%77%73%76%
Dew Point17 °F22 °F29 °F25 °F12 °F9 °F13 °F
Visibility5 mi2 mi1 mi5 mi6 mi4 mi1 mi
Probability of Precipitation10%17%2%0%0%0%6%
Amount of Rain0.00"0.00"0.00"0.00"0.00"0.00"0.00"
Amount of Snow0.16"0.16"0.00"0.00"0.00"0.00"0.94"
* Updated Saturday, December 6, 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. 26 / 5 °F
Humidity: 68%. Wind: 8 mph from South

More weather last week

Currently at nearby stations

16 °F

Upper Rideau Lake: (31 mi)

Overcast. (1 hour ago)

20 °F

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

Overcast.

25 °F

Watertown International Airport: (44 mi)

Mostly cloudy.

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Forecast for the next 2 weeks

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30
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Detailed forecast for 14 days