Hourly Weather Forecast - Tustin, CA

12 AM
53°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
1 AM
53°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
2 AM
53°F
0%
1mph
NNE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
52°F
3 AM
52°F
0%
1mph
NNE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
4 AM
51°F
0%
1mph
NNE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
5 AM
51°F
0%
1mph
NE
Foggy
Humidity
100%
Feels like
51°F
Dew Point
51°F
6 AM
52°F
0%
1mph
NE
Foggy
Humidity
100%
Feels like
52°F
Dew Point
52°F
6:52 AM
7 AM
54°F
0%
1mph
NE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
8 AM
57°F
0%
1mph
N
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
9 AM
60°F
0%
1mph
W
Partly Cloudy
Humidity
95%
Feels like
60°F
Dew Point
58°F
10 AM
61°F
0%
1mph
W
Partly Cloudy
Humidity
88%
Feels like
61°F
Dew Point
58°F
11 AM
63°F
0%
2mph
W
Partly Cloudy
Humidity
83%
Feels like
63°F
Dew Point
58°F
12 PM
65°F
0%
2mph
WSW
Partly Cloudy
Humidity
81%
Feels like
65°F
Dew Point
59°F
1 PM
67°F
0%
2mph
WSW
Partly Cloudy
Humidity
78%
Feels like
67°F
Dew Point
60°F
2 PM
67°F
0%
3mph
WSW
Mostly Sunny
Humidity
78%
Feels like
67°F
Dew Point
60°F
3 PM
64°F
0%
3mph
WSW
Mostly Sunny
Humidity
84%
Feels like
64°F
Dew Point
60°F
4 PM
61°F
0%
2mph
WSW
Mostly Sunny
Humidity
90%
Feels like
61°F
Dew Point
58°F
4:47 PM
5 PM
58°F
0%
2mph
WSW
Foggy
Humidity
99%
Feels like
58°F
Dew Point
58°F
6 PM
57°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
7 PM
56°F
0%
1mph
WSW
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
8 PM
55°F
0%
1mph
SW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
9 PM
55°F
0%
1mph
S
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
10 PM
54°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
11 PM
54°F
0%
1mph
SSE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°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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