Hourly Weather Forecast - Costa Mesa, CA

12 AM
55°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
1 AM
55°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
2 AM
55°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
3 AM
55°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
4 AM
55°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
5 AM
54°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 AM
55°F
0%
1mph
ENE
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
6:52 AM
7 AM
56°F
0%
1mph
NE
Foggy
Humidity
100%
Feels like
56°F
Dew Point
56°F
8 AM
57°F
0%
1mph
NNE
Hazy
Humidity
98%
Feels like
57°F
Dew Point
56°F
9 AM
59°F
0%
1mph
N
Partly Cloudy
Humidity
93%
Feels like
59°F
Dew Point
56°F
10 AM
60°F
0%
2mph
NW
Partly Cloudy
Humidity
87%
Feels like
60°F
Dew Point
56°F
11 AM
61°F
0%
2mph
WNW
Mostly Sunny
Humidity
85%
Feels like
61°F
Dew Point
56°F
12 PM
62°F
0%
3mph
W
Mostly Sunny
Humidity
84%
Feels like
62°F
Dew Point
57°F
1 PM
62°F
0%
4mph
W
Mostly Sunny
Humidity
82%
Feels like
62°F
Dew Point
57°F
2 PM
62°F
0%
4mph
W
Mostly Sunny
Humidity
83%
Feels like
62°F
Dew Point
57°F
3 PM
61°F
0%
4mph
W
Sunny
Humidity
85%
Feels like
61°F
Dew Point
57°F
4 PM
60°F
0%
4mph
W
Sunny
Humidity
89%
Feels like
60°F
Dew Point
57°F
4:47 PM
5 PM
60°F
0%
3mph
W
Hazy
Humidity
95%
Feels like
60°F
Dew Point
58°F
6 PM
59°F
0%
3mph
W
Hazy
Humidity
94%
Feels like
59°F
Dew Point
58°F
7 PM
59°F
0%
2mph
WNW
Hazy
Humidity
95%
Feels like
59°F
Dew Point
57°F
8 PM
58°F
0%
2mph
WNW
Hazy
Humidity
94%
Feels like
58°F
Dew Point
56°F
9 PM
57°F
0%
2mph
NW
Hazy
Humidity
94%
Feels like
57°F
Dew Point
55°F
10 PM
56°F
0%
2mph
NW
Hazy
Humidity
97%
Feels like
56°F
Dew Point
56°F
11 PM
56°F
0%
2mph
NW
Partly Cloudy
Humidity
98%
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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