Hourly Weather Forecast - Tustin, CA

12 AM
56°F
0%
1mph
ESE
Hazy
Humidity
94%
Feels like
56°F
Dew Point
54°F
1 AM
55°F
0%
1mph
ESE
Hazy
Humidity
95%
Feels like
55°F
Dew Point
54°F
2 AM
55°F
0%
1mph
E
Hazy
Humidity
97%
Feels like
55°F
Dew Point
54°F
3 AM
54°F
0%
1mph
E
Hazy
Humidity
98%
Feels like
54°F
Dew Point
54°F
4 AM
53°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
5 AM
53°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
6 AM
53°F
0%
1mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
6:51 AM
7 AM
55°F
0%
1mph
ESE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
8 AM
58°F
0%
1mph
ESE
Hazy
Humidity
98%
Feels like
58°F
Dew Point
57°F
9 AM
60°F
0%
1mph
SSE
Hazy
Humidity
93%
Feels like
60°F
Dew Point
58°F
10 AM
63°F
0%
1mph
S
Sunny
Humidity
87%
Feels like
63°F
Dew Point
59°F
11 AM
65°F
0%
2mph
SSW
Sunny
Humidity
80%
Feels like
65°F
Dew Point
58°F
12 PM
67°F
0%
2mph
SSW
Sunny
Humidity
74%
Feels like
67°F
Dew Point
58°F
1 PM
68°F
0%
3mph
SSW
Sunny
Humidity
71%
Feels like
68°F
Dew Point
58°F
2 PM
69°F
0%
3mph
SW
Sunny
Humidity
70%
Feels like
69°F
Dew Point
58°F
3 PM
67°F
0%
3mph
SW
Sunny
Humidity
74%
Feels like
67°F
Dew Point
58°F
4 PM
64°F
0%
3mph
SW
Sunny
Humidity
81%
Feels like
64°F
Dew Point
58°F
4:46 PM
5 PM
61°F
0%
2mph
SW
Clear
Humidity
89%
Feels like
61°F
Dew Point
58°F
6 PM
59°F
0%
1mph
SW
Hazy
Humidity
95%
Feels like
59°F
Dew Point
57°F
7 PM
58°F
0%
1mph
SSW
Hazy
Humidity
96%
Feels like
58°F
Dew Point
56°F
8 PM
57°F
0%
0mph
SSE
Hazy
Humidity
95%
Feels like
57°F
Dew Point
56°F
9 PM
57°F
0%
1mph
SE
Hazy
Humidity
93%
Feels like
57°F
Dew Point
55°F
10 PM
56°F
0%
1mph
ESE
Hazy
Humidity
93%
Feels like
56°F
Dew Point
55°F
11 PM
56°F
0%
1mph
ESE
Hazy
Humidity
93%
Feels like
56°F
Dew Point
54°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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