Hourly Weather Forecast - Nepean, Ontario, CA

12 AM
30°F
20%
17mph
SSW
Cloudy
Humidity
85%
Feels like
18°F
Dew Point
26°F
1 AM
30°F
30%
17mph
SSW
30% Chance Freezing Rain
Humidity
85%
Feels like
18°F
Dew Point
26°F
2 AM
31°F
20%
17mph
SSW
Cloudy
Humidity
82%
Feels like
19°F
Dew Point
26°F
3 AM
31°F
20%
17mph
SSW
Mostly Cloudy
Humidity
85%
Feels like
20°F
Dew Point
27°F
4 AM
32°F
20%
17mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
20°F
Dew Point
27°F
5 AM
32°F
10%
17mph
SSW
Cloudy
Humidity
85%
Feels like
21°F
Dew Point
28°F
6 AM
32°F
0%
17mph
SSW
Cloudy
Humidity
87%
Feels like
21°F
Dew Point
29°F
7 AM
32°F
10%
17mph
SSW
Cloudy
Humidity
90%
Feels like
21°F
Dew Point
29°F
7:36 AM
8 AM
32°F
30%
16mph
SW
30% Chance Frozen Mix
Humidity
91%
Feels like
21°F
Dew Point
29°F
9 AM
32°F
30%
16mph
SW
30% Chance of Flurries
Humidity
91%
Feels like
21°F
Dew Point
30°F
10 AM
33°F
30%
16mph
SW
30% Chance Frozen Mix
Humidity
94%
Feels like
22°F
Dew Point
31°F
11 AM
34°F
30%
17mph
SW
30% Chance Frozen Mix
Humidity
96%
Feels like
23°F
Dew Point
33°F
12 PM
34°F
30%
17mph
SW
30% Chance of Light Rain
Humidity
91%
Feels like
23°F
Dew Point
31°F
1 PM
33°F
30%
18mph
SW
30% Chance Rain Showers
Humidity
91%
Feels like
22°F
Dew Point
31°F
2 PM
32°F
30%
17mph
WSW
30% Chance Snow Showers
Humidity
89%
Feels like
21°F
Dew Point
29°F
3 PM
31°F
30%
17mph
WSW
30% Chance of Flurries
Humidity
89%
Feels like
20°F
Dew Point
28°F
4 PM
30°F
30%
15mph
W
30% Chance Frozen Mix
Humidity
84%
Feels like
19°F
Dew Point
26°F
4:21 PM
5 PM
28°F
20%
15mph
W
Mostly Cloudy
Humidity
81%
Feels like
17°F
Dew Point
23°F
6 PM
27°F
20%
14mph
WNW
Partly Cloudy
Humidity
77%
Feels like
15°F
Dew Point
20°F
7 PM
25°F
10%
13mph
WNW
Partly Cloudy
Humidity
77%
Feels like
13°F
Dew Point
19°F
8 PM
23°F
10%
12mph
WNW
Partly Cloudy
Humidity
76%
Feels like
11°F
Dew Point
16°F
9 PM
21°F
0%
10mph
W
Partly Cloudy
Humidity
78%
Feels like
10°F
Dew Point
15°F
10 PM
20°F
0%
8mph
W
Partly Cloudy
Humidity
81%
Feels like
10°F
Dew Point
15°F
11 PM
19°F
0%
6mph
WSW
Partly Cloudy
Humidity
84%
Feels like
10°F
Dew Point
15°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

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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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