Hourly Weather Forecast - Plympton-Wyoming, Ontario, CA

12 AM
22°F
0%
10mph
WSW
Mostly Cloudy
Humidity
69%
Feels like
11°F
Dew Point
13°F
1 AM
22°F
0%
9mph
WSW
Mostly Cloudy
Humidity
70%
Feels like
12°F
Dew Point
14°F
2 AM
23°F
0%
9mph
SW
Mostly Cloudy
Humidity
72%
Feels like
13°F
Dew Point
15°F
3 AM
23°F
0%
10mph
SSW
Partly Cloudy
Humidity
73%
Feels like
13°F
Dew Point
16°F
4 AM
23°F
0%
11mph
S
Partly Cloudy
Humidity
74%
Feels like
12°F
Dew Point
17°F
5 AM
24°F
0%
12mph
S
Partly Cloudy
Humidity
75%
Feels like
12°F
Dew Point
17°F
6 AM
24°F
0%
14mph
S
Mostly Cloudy
Humidity
77%
Feels like
11°F
Dew Point
17°F
7 AM
24°F
0%
15mph
S
Mostly Cloudy
Humidity
76%
Feels like
12°F
Dew Point
18°F
7:55 AM
8 AM
26°F
0%
16mph
S
Mostly Cloudy
Humidity
75%
Feels like
13°F
Dew Point
19°F
9 AM
27°F
0%
16mph
S
Cloudy
Humidity
74%
Feels like
15°F
Dew Point
20°F
10 AM
29°F
0%
17mph
S
Cloudy
Humidity
73%
Feels like
17°F
Dew Point
21°F
11 AM
30°F
0%
17mph
S
Cloudy
Humidity
70%
Feels like
19°F
Dew Point
22°F
12 PM
32°F
0%
17mph
S
Cloudy
Humidity
67%
Feels like
21°F
Dew Point
22°F
1 PM
33°F
10%
17mph
S
Cloudy
Humidity
64%
Feels like
23°F
Dew Point
22°F
2 PM
34°F
10%
16mph
S
Cloudy
Humidity
62%
Feels like
24°F
Dew Point
23°F
3 PM
35°F
10%
16mph
S
Cloudy
Humidity
62%
Feels like
25°F
Dew Point
23°F
4 PM
35°F
10%
15mph
SSW
Cloudy
Humidity
64%
Feels like
25°F
Dew Point
24°F
4:56 PM
5 PM
34°F
10%
14mph
SSW
Cloudy
Humidity
66%
Feels like
25°F
Dew Point
24°F
6 PM
34°F
10%
13mph
SSW
Cloudy
Humidity
70%
Feels like
25°F
Dew Point
25°F
7 PM
34°F
30%
13mph
SW
30% Chance of Flurries
Humidity
72%
Feels like
25°F
Dew Point
26°F
8 PM
34°F
20%
13mph
SW
Mostly Cloudy
Humidity
75%
Feels like
24°F
Dew Point
26°F
9 PM
33°F
20%
13mph
WSW
Partly Cloudy
Humidity
78%
Feels like
23°F
Dew Point
27°F
10 PM
32°F
20%
14mph
WSW
Partly Cloudy
Humidity
79%
Feels like
22°F
Dew Point
27°F
11 PM
31°F
10%
15mph
WSW
Mostly Clear
Humidity
79%
Feels like
21°F
Dew Point
26°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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