Hourly Weather Forecast - Costa Mesa, CA

12 AM
56°F
0%
2mph
SE
Cloudy
Humidity
98%
Feels like
56°F
Dew Point
56°F
1 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
2 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
3 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
4 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
5 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
6 AM
56°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
6:51 AM
7 AM
57°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
57°F
Dew Point
57°F
8 AM
58°F
0%
2mph
ESE
Cloudy
Humidity
97%
Feels like
58°F
Dew Point
58°F
9 AM
60°F
0%
1mph
SE
Partly Cloudy
Humidity
93%
Feels like
60°F
Dew Point
58°F
10 AM
61°F
0%
1mph
SSE
Partly Cloudy
Humidity
85%
Feels like
61°F
Dew Point
56°F
11 AM
62°F
0%
2mph
S
Partly Cloudy
Humidity
81%
Feels like
62°F
Dew Point
56°F
12 PM
64°F
0%
3mph
SSW
Partly Cloudy
Humidity
77%
Feels like
64°F
Dew Point
56°F
1 PM
64°F
0%
4mph
SW
Partly Cloudy
Humidity
75%
Feels like
64°F
Dew Point
56°F
2 PM
63°F
0%
4mph
SW
Partly Cloudy
Humidity
76%
Feels like
63°F
Dew Point
55°F
3 PM
61°F
0%
4mph
SW
Partly Cloudy
Humidity
83%
Feels like
61°F
Dew Point
55°F
4 PM
58°F
0%
4mph
SW
Partly Cloudy
Humidity
91%
Feels like
58°F
Dew Point
56°F
4:46 PM
5 PM
57°F
0%
3mph
SW
Partly Cloudy
Humidity
96%
Feels like
57°F
Dew Point
56°F
6 PM
58°F
0%
2mph
SW
Partly Cloudy
Humidity
95%
Feels like
58°F
Dew Point
56°F
7 PM
58°F
0%
1mph
WSW
Hazy
Humidity
94%
Feels like
58°F
Dew Point
56°F
8 PM
57°F
0%
1mph
ESE
Partly Cloudy
Humidity
91%
Feels like
57°F
Dew Point
55°F
9 PM
57°F
0%
1mph
E
Partly Cloudy
Humidity
92%
Feels like
57°F
Dew Point
54°F
10 PM
56°F
0%
1mph
E
Partly Cloudy
Humidity
95%
Feels like
56°F
Dew Point
55°F
11 PM
56°F
0%
1mph
E
Hazy
Humidity
96%
Feels like
56°F
Dew Point
55°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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