Hourly Weather Forecast - Plympton-Wyoming, Ontario, CA

12 AM
31°F
10%
15mph
W
Mostly Clear
Humidity
77%
Feels like
20°F
Dew Point
24°F
1 AM
29°F
10%
15mph
W
Mostly Clear
Humidity
76%
Feels like
18°F
Dew Point
23°F
2 AM
28°F
0%
16mph
W
Mostly Clear
Humidity
74%
Feels like
16°F
Dew Point
21°F
3 AM
26°F
0%
16mph
W
Partly Cloudy
Humidity
74%
Feels like
14°F
Dew Point
19°F
4 AM
25°F
0%
17mph
W
Mostly Cloudy
Humidity
74%
Feels like
12°F
Dew Point
18°F
5 AM
23°F
0%
17mph
W
Mostly Cloudy
Humidity
75%
Feels like
9°F
Dew Point
16°F
6 AM
21°F
10%
17mph
W
Mostly Cloudy
Humidity
75%
Feels like
7°F
Dew Point
15°F
7 AM
21°F
10%
17mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
6°F
Dew Point
13°F
7:56 AM
8 AM
21°F
10%
17mph
WNW
Partly Cloudy
Humidity
69%
Feels like
6°F
Dew Point
12°F
9 AM
21°F
10%
17mph
WNW
Partly Cloudy
Humidity
67%
Feels like
7°F
Dew Point
12°F
10 AM
22°F
10%
17mph
WNW
Mostly Sunny
Humidity
65%
Feels like
7°F
Dew Point
11°F
11 AM
22°F
10%
17mph
WNW
Mostly Sunny
Humidity
62%
Feels like
8°F
Dew Point
11°F
12 PM
23°F
10%
17mph
WNW
Sunny
Humidity
60%
Feels like
9°F
Dew Point
11°F
1 PM
23°F
10%
17mph
WNW
Sunny
Humidity
59%
Feels like
10°F
Dew Point
11°F
2 PM
23°F
0%
17mph
WNW
Sunny
Humidity
59%
Feels like
10°F
Dew Point
11°F
3 PM
23°F
0%
16mph
WNW
Sunny
Humidity
61%
Feels like
9°F
Dew Point
11°F
4 PM
22°F
0%
15mph
WNW
Sunny
Humidity
63%
Feels like
9°F
Dew Point
12°F
4:56 PM
5 PM
22°F
0%
14mph
WNW
Clear
Humidity
65%
Feels like
9°F
Dew Point
12°F
6 PM
22°F
0%
13mph
WNW
Clear
Humidity
66%
Feels like
9°F
Dew Point
12°F
7 PM
22°F
0%
12mph
WNW
Clear
Humidity
67%
Feels like
10°F
Dew Point
13°F
8 PM
22°F
0%
11mph
WNW
Mostly Clear
Humidity
68%
Feels like
11°F
Dew Point
13°F
9 PM
22°F
0%
11mph
WNW
Partly Cloudy
Humidity
70%
Feels like
10°F
Dew Point
13°F
10 PM
21°F
0%
10mph
WNW
Mostly Cloudy
Humidity
71%
Feels like
11°F
Dew Point
14°F
11 PM
21°F
0%
9mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
11°F
Dew Point
14°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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