Hourly Weather Forecast - Tustin, CA

12 AM
58°F
100%
4mph
SSE
Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
1 AM
58°F
90%
4mph
SSE
Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
2 AM
58°F
80%
4mph
SSE
80% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
3 AM
58°F
70%
4mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
4 AM
58°F
70%
4mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
5 AM
58°F
70%
3mph
SSE
70% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
6 AM
58°F
70%
3mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
58°F
Dew Point
58°F
6:54 AM
7 AM
59°F
70%
3mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
8 AM
59°F
70%
3mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
9 AM
59°F
70%
3mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
10 AM
59°F
70%
3mph
SE
70% Chance of Light Rain
Humidity
100%
Feels like
59°F
Dew Point
59°F
11 AM
59°F
70%
3mph
SSE
70% Chance of Light Rain
Humidity
99%
Feels like
59°F
Dew Point
59°F
12 PM
60°F
70%
3mph
S
70% Chance of Light Rain
Humidity
94%
Feels like
60°F
Dew Point
58°F
1 PM
60°F
70%
3mph
SSW
70% Chance of Light Rain
Humidity
92%
Feels like
60°F
Dew Point
58°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

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