Hourly Weather Forecast - Brethour, Ontario, CA

12 AM
12°F
0%
7mph
W
Partly Cloudy
Humidity
90%
Feels like
1°F
Dew Point
10°F
1 AM
11°F
0%
7mph
W
Partly Cloudy
Humidity
89%
Feels like
0°F
Dew Point
9°F
2 AM
10°F
0%
6mph
W
Partly Cloudy
Humidity
89%
Feels like
0°F
Dew Point
8°F
3 AM
10°F
0%
6mph
W
Partly Cloudy
Humidity
89%
Feels like
-1°F
Dew Point
7°F
4 AM
9°F
0%
6mph
W
Partly Cloudy
Humidity
90%
Feels like
-1°F
Dew Point
7°F
5 AM
9°F
0%
6mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
-1°F
Dew Point
7°F
6 AM
9°F
0%
6mph
SSW
Mostly Cloudy
Humidity
91%
Feels like
-1°F
Dew Point
7°F
7 AM
10°F
0%
7mph
S
Mostly Cloudy
Humidity
90%
Feels like
-1°F
Dew Point
8°F
8 AM
12°F
0%
9mph
S
Mostly Cloudy
Humidity
91%
Feels like
0°F
Dew Point
10°F
8:00 AM
9 AM
13°F
0%
10mph
SSW
Mostly Cloudy
Humidity
88%
Feels like
1°F
Dew Point
10°F
10 AM
15°F
0%
12mph
SSW
Cloudy
Humidity
86%
Feels like
2°F
Dew Point
12°F
11 AM
17°F
10%
13mph
SSW
Cloudy
Humidity
84%
Feels like
3°F
Dew Point
13°F
12 PM
19°F
10%
15mph
SSW
Cloudy
Humidity
85%
Feels like
4°F
Dew Point
15°F
1 PM
20°F
10%
17mph
SSW
Cloudy
Humidity
88%
Feels like
6°F
Dew Point
18°F
2 PM
22°F
10%
18mph
SSW
Cloudy
Humidity
89%
Feels like
8°F
Dew Point
19°F
3 PM
24°F
10%
19mph
SSW
Cloudy
Humidity
89%
Feels like
9°F
Dew Point
21°F
4 PM
25°F
10%
20mph
SSW
Cloudy
Humidity
89%
Feels like
11°F
Dew Point
22°F
4:26 PM
5 PM
26°F
10%
21mph
SSW
Windy
Humidity
90%
Feels like
11°F
Dew Point
23°F
6 PM
26°F
10%
21mph
SSW
Windy
Humidity
89%
Feels like
12°F
Dew Point
23°F
7 PM
26°F
10%
21mph
SSW
Windy
Humidity
88%
Feels like
12°F
Dew Point
23°F
8 PM
27°F
10%
21mph
SSW
Windy
Humidity
87%
Feels like
13°F
Dew Point
24°F
9 PM
27°F
20%
20mph
SSW
Windy
Humidity
87%
Feels like
14°F
Dew Point
24°F
10 PM
28°F
20%
19mph
SSW
Cloudy
Humidity
87%
Feels like
15°F
Dew Point
25°F
11 PM
29°F
20%
18mph
SSW
Cloudy
Humidity
86%
Feels like
16°F
Dew Point
25°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

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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