Hourly Weather Forecast - Preston, Ontario, CA

12 AM
30°F
30%
14mph
WSW
30% Chance of Snow
Humidity
81%
Feels like
20°F
Dew Point
25°F
1 AM
29°F
30%
13mph
WSW
30% Chance of Snow
Humidity
85%
Feels like
18°F
Dew Point
25°F
2 AM
28°F
30%
13mph
WSW
30% Chance of Snow
Humidity
87%
Feels like
18°F
Dew Point
25°F
3 AM
28°F
30%
13mph
WSW
30% Chance of Snow
Humidity
88%
Feels like
18°F
Dew Point
25°F
4 AM
29°F
30%
13mph
W
30% Chance Frozen Mix
Humidity
89%
Feels like
18°F
Dew Point
26°F
5 AM
29°F
30%
12mph
W
30% Chance Frozen Mix
Humidity
89%
Feels like
19°F
Dew Point
26°F
6 AM
29°F
10%
12mph
W
Cloudy
Humidity
89%
Feels like
19°F
Dew Point
26°F
7 AM
28°F
10%
12mph
W
Cloudy
Humidity
87%
Feels like
18°F
Dew Point
25°F
7:51 AM
8 AM
28°F
10%
13mph
WNW
Cloudy
Humidity
84%
Feels like
17°F
Dew Point
24°F
9 AM
28°F
10%
14mph
WNW
Mostly Cloudy
Humidity
81%
Feels like
17°F
Dew Point
23°F
10 AM
28°F
10%
14mph
WNW
Mostly Cloudy
Humidity
76%
Feels like
17°F
Dew Point
22°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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