Hourly Weather Forecast - Casselman, Ontario, CA

11 AM
36°F
10%
12mph
SW
Cloudy
Humidity
86%
Feels like
27°F
Dew Point
32°F
12 PM
36°F
20%
12mph
SW
Cloudy
Humidity
85%
Feels like
28°F
Dew Point
32°F
1 PM
36°F
70%
11mph
SW
70% Chance of Light Rain
Humidity
84%
Feels like
28°F
Dew Point
31°F
2 PM
35°F
30%
12mph
WSW
30% Chance of Light Rain
Humidity
84%
Feels like
27°F
Dew Point
31°F
3 PM
35°F
30%
12mph
WSW
30% Chance of Flurries
Humidity
86%
Feels like
26°F
Dew Point
31°F
4 PM
34°F
30%
12mph
W
30% Chance of Flurries
Humidity
88%
Feels like
25°F
Dew Point
31°F
4:18 PM
5 PM
33°F
30%
11mph
WNW
30% Chance Frozen Mix
Humidity
84%
Feels like
24°F
Dew Point
28°F
6 PM
31°F
10%
10mph
WNW
Partly Cloudy
Humidity
82%
Feels like
22°F
Dew Point
26°F
7 PM
28°F
0%
9mph
WNW
Partly Cloudy
Humidity
79%
Feels like
19°F
Dew Point
22°F
8 PM
24°F
0%
8mph
WNW
Mostly Clear
Humidity
75%
Feels like
16°F
Dew Point
18°F
9 PM
21°F
0%
6mph
W
Mostly Clear
Humidity
70%
Feels like
13°F
Dew Point
13°F
10 PM
18°F
0%
5mph
W
Mostly Clear
Humidity
68%
Feels like
10°F
Dew Point
9°F
11 PM
15°F
0%
4mph
WSW
Clear
Humidity
81%
Feels like
8°F
Dew Point
10°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today'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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