Hourly Weather Forecast - Brockville, Ontario, CA

12 AM
20°F
30%
14mph
WNW
30% Chance Frozen Mix
Humidity
55%
Feels like
6°F
Dew Point
6°F
1 AM
19°F
30%
13mph
W
30% Chance Frozen Mix
Humidity
57%
Feels like
6°F
Dew Point
7°F
2 AM
19°F
30%
12mph
W
30% Chance Frozen Mix
Humidity
59%
Feels like
6°F
Dew Point
7°F
3 AM
19°F
0%
11mph
W
Partly Cloudy
Humidity
59%
Feels like
7°F
Dew Point
7°F
4 AM
19°F
0%
10mph
W
Mostly Clear
Humidity
59%
Feels like
8°F
Dew Point
7°F
5 AM
19°F
0%
9mph
W
Mostly Clear
Humidity
60%
Feels like
8°F
Dew Point
7°F
6 AM
17°F
0%
7mph
W
Clear
Humidity
65%
Feels like
8°F
Dew Point
8°F
7 AM
17°F
0%
6mph
W
Clear
Humidity
63%
Feels like
8°F
Dew Point
6°F
7:35 AM
8 AM
17°F
0%
6mph
WSW
Sunny
Humidity
62%
Feels like
8°F
Dew Point
6°F
9 AM
19°F
0%
6mph
SW
Sunny
Humidity
59%
Feels like
11°F
Dew Point
7°F
10 AM
20°F
10%
6mph
SW
Sunny
Humidity
57%
Feels like
13°F
Dew Point
7°F
11 AM
22°F
10%
6mph
SSW
Partly Cloudy
Humidity
57%
Feels like
14°F
Dew Point
9°F
12 PM
24°F
10%
6mph
S
Mostly Cloudy
Humidity
58%
Feels like
16°F
Dew Point
11°F
1 PM
25°F
10%
7mph
S
Cloudy
Humidity
58%
Feels like
17°F
Dew Point
12°F
2 PM
26°F
10%
7mph
S
Cloudy
Humidity
59%
Feels like
18°F
Dew Point
14°F
3 PM
27°F
10%
8mph
SSE
Cloudy
Humidity
61%
Feels like
19°F
Dew Point
16°F
4 PM
28°F
10%
8mph
SSE
Mostly Cloudy
Humidity
62%
Feels like
20°F
Dew Point
17°F
4:24 PM
5 PM
28°F
10%
9mph
SSE
Cloudy
Humidity
62%
Feels like
20°F
Dew Point
17°F
6 PM
28°F
20%
9mph
SSE
Cloudy
Humidity
61%
Feels like
19°F
Dew Point
17°F
7 PM
29°F
20%
10mph
S
Cloudy
Humidity
62%
Feels like
20°F
Dew Point
18°F
8 PM
29°F
20%
11mph
S
Cloudy
Humidity
63%
Feels like
20°F
Dew Point
19°F
9 PM
30°F
20%
12mph
SSW
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
20°F
10 PM
30°F
30%
12mph
SSW
30% Chance of Flurries
Humidity
70%
Feels like
20°F
Dew Point
21°F
11 PM
30°F
50%
13mph
SSW
50% Chance of Snow
Humidity
77%
Feels like
20°F
Dew Point
24°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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