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Weather in Brockville, Ontario, Canada

Now
16 °F

Cold.


Feels Like: 8 °F
Forecast: 23 / 10 °F
Wind: 5 mph from West

Location: Grenadier Island
Current Time: Feb 4, 2026 at 1:47:40 am
Latest Report: Feb 4, 2026 at 1:00 am
Visibility: N/A
Pressure: 30.10 "Hg
Humidity: 97%
Dew Point: 15 °F

Upcoming 5 hours

Now 2:00 am 3:00 am 4:00 am 5:00 am 6:00 am
16 °F 15 °F 15 °F 15 °F 14 °F 13 °F

See more hour-by-hour weather

Forecast for the next 48 hours

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  Wednesday Thursday
  Night Morning Afternoon Evening Night Morning Afternoon
Forecast
Temperature 14 °F 14 °F 22 °F 15 °F 11 °F 9 °F 18 °F
Snow. Overcast. Overcast. Overcast. Overcast. Overcast. Partly cloudy. Cloudy.
Feels Like 5 °F 5 °F 15 °F 9 °F 11 °F 3 °F 18 °F
Wind Speed 6 mph 5 mph 5 mph 4 mph 3 mph 3 mph 3 mph
Wind Direction SSW
SW
WSW
SW
W
WNW
WSW
Humidity 84% 85% 74% 87% 83% 81% 63%
Dew Point 10 °F 10 °F 15 °F 12 °F 6 °F 4 °F 8 °F
Visibility 0 mi 1 mi 1 mi 3 mi 3 mi 6 mi 7 mi
Probability of Precipitation 6% 0% 0% 0% 0% 0% 0%
Amount of Rain 0.00" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Amount of Snow 0.63" 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
* Updated Tuesday, February 3, 2026 8:42:50 pm Brockville time - Weather by CustomWeather, © 2026

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

Yesterday's weather

Cold. 28 / 10 °F
Humidity: 89%. Wind: 4 mph from Southwest

More weather last week

Currently at nearby stations

39 °F

Upper Rideau Lake: (31 mi)

Overcast.

14 °F

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

Light snow. Overcast.

15 °F

Watertown International Airport: (44 mi)

Mostly cloudy.

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Forecast for the next 2 weeks

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Detailed forecast for 14 days