Hourly Weather Forecast - Costa Mesa, CA

12 AM
55°F
0%
2mph
NW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
1 AM
55°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
2 AM
55°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
55°F
3 AM
55°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
55°F
Dew Point
54°F
4 AM
54°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
5 AM
54°F
0%
2mph
N
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6 AM
54°F
0%
2mph
N
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
6:52 AM
7 AM
55°F
0%
2mph
NNE
Foggy
Humidity
99%
Feels like
55°F
Dew Point
55°F
8 AM
56°F
0%
2mph
NNW
Cloudy
Humidity
94%
Feels like
56°F
Dew Point
55°F
9 AM
58°F
0%
2mph
NW
Mostly Cloudy
Humidity
90%
Feels like
58°F
Dew Point
55°F
10 AM
60°F
0%
2mph
WNW
Partly Cloudy
Humidity
85%
Feels like
60°F
Dew Point
55°F
11 AM
61°F
0%
3mph
W
Partly Cloudy
Humidity
83%
Feels like
61°F
Dew Point
56°F
12 PM
62°F
0%
3mph
W
Partly Cloudy
Humidity
80%
Feels like
62°F
Dew Point
56°F
1 PM
63°F
0%
4mph
W
Partly Cloudy
Humidity
77%
Feels like
63°F
Dew Point
56°F
2 PM
63°F
0%
4mph
WSW
Partly Cloudy
Humidity
78%
Feels like
63°F
Dew Point
56°F
3 PM
62°F
0%
4mph
WSW
Partly Cloudy
Humidity
82%
Feels like
62°F
Dew Point
56°F
4 PM
60°F
0%
4mph
WSW
Partly Cloudy
Humidity
90%
Feels like
60°F
Dew Point
57°F
4:47 PM
5 PM
58°F
0%
3mph
WSW
Partly Cloudy
Humidity
95%
Feels like
58°F
Dew Point
57°F
6 PM
58°F
0%
2mph
WSW
Partly Cloudy
Humidity
95%
Feels like
58°F
Dew Point
57°F
7 PM
58°F
0%
1mph
W
Mostly Cloudy
Humidity
95%
Feels like
58°F
Dew Point
56°F
8 PM
57°F
0%
1mph
W
Mostly Cloudy
Humidity
93%
Feels like
57°F
Dew Point
55°F
9 PM
57°F
0%
2mph
WNW
Mostly Cloudy
Humidity
92%
Feels like
57°F
Dew Point
55°F
10 PM
56°F
0%
2mph
WNW
Mostly Cloudy
Humidity
93%
Feels like
56°F
Dew Point
55°F
11 PM
56°F
0%
2mph
W
Mostly Cloudy
Humidity
93%
Feels like
56°F
Dew Point
54°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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