Hourly Weather Forecast - Spencerville, Ontario, CA

8 PM
35°F
20%
13mph
SSW
Cloudy
Humidity
53%
Feels like
26°F
Dew Point
20°F
9 PM
37°F
70%
14mph
SSW
70% Chance of Flurries
Humidity
51%
Feels like
28°F
Dew Point
20°F
10 PM
37°F
30%
15mph
SSW
30% Chance of Snow
Humidity
55%
Feels like
28°F
Dew Point
23°F
11 PM
38°F
30%
15mph
SSW
30% Chance Frozen Mix
Humidity
61%
Feels like
29°F
Dew Point
26°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide