Hourly Weather Forecast - Arnprior, Ontario, CA

12 AM
16°F
0%
3mph
S
Mostly Clear
Humidity
82%
Feels like
16°F
Dew Point
12°F
1 AM
16°F
0%
4mph
SSE
Mostly Clear
Humidity
83%
Feels like
10°F
Dew Point
11°F
2 AM
16°F
0%
5mph
SE
Partly Cloudy
Humidity
85%
Feels like
8°F
Dew Point
12°F
3 AM
16°F
0%
5mph
SSE
Partly Cloudy
Humidity
86%
Feels like
8°F
Dew Point
13°F
4 AM
17°F
0%
6mph
SSE
Mostly Cloudy
Humidity
87%
Feels like
9°F
Dew Point
14°F
5 AM
18°F
0%
6mph
SE
Mostly Cloudy
Humidity
88%
Feels like
10°F
Dew Point
15°F
6 AM
19°F
0%
6mph
ESE
Partly Cloudy
Humidity
88%
Feels like
11°F
Dew Point
16°F
7 AM
21°F
10%
7mph
ESE
Mostly Cloudy
Humidity
89%
Feels like
12°F
Dew Point
18°F
7:40 AM
8 AM
23°F
0%
9mph
SE
Mostly Cloudy
Humidity
90%
Feels like
14°F
Dew Point
21°F
9 AM
26°F
0%
10mph
SE
Mostly Cloudy
Humidity
91%
Feels like
17°F
Dew Point
24°F
10 AM
29°F
0%
11mph
SE
Mostly Cloudy
Humidity
90%
Feels like
19°F
Dew Point
26°F
11 AM
31°F
10%
12mph
SE
Mostly Cloudy
Humidity
85%
Feels like
22°F
Dew Point
27°F
12 PM
33°F
10%
13mph
SE
Mostly Cloudy
Humidity
79%
Feels like
24°F
Dew Point
28°F
1 PM
35°F
10%
14mph
SE
Mostly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
28°F
2 PM
36°F
10%
15mph
SSE
Mostly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
28°F
3 PM
37°F
10%
16mph
SSE
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
28°F
4 PM
38°F
10%
17mph
S
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
29°F
4:23 PM
5 PM
38°F
10%
17mph
S
Partly Cloudy
Humidity
71%
Feels like
28°F
Dew Point
29°F
6 PM
38°F
10%
17mph
SSE
Partly Cloudy
Humidity
73%
Feels like
28°F
Dew Point
30°F
7 PM
38°F
10%
17mph
SSE
Partly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
30°F
8 PM
38°F
10%
17mph
SSE
Partly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
31°F
9 PM
38°F
10%
16mph
SSE
Mostly Cloudy
Humidity
79%
Feels like
28°F
Dew Point
32°F
10 PM
38°F
20%
16mph
SSE
Mostly Cloudy
Humidity
82%
Feels like
29°F
Dew Point
33°F
11 PM
38°F
40%
16mph
SSE
40% Chance Rain Showers
Humidity
85%
Feels like
29°F
Dew Point
34°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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