Hourly Weather Forecast - Costa Mesa, CA

12 AM
57°F
0%
3mph
SE
Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
1 AM
57°F
0%
3mph
SE
Cloudy
Humidity
88%
Feels like
57°F
Dew Point
53°F
2 AM
56°F
0%
3mph
ESE
Cloudy
Humidity
88%
Feels like
56°F
Dew Point
53°F
3 AM
56°F
0%
2mph
ESE
Cloudy
Humidity
89%
Feels like
56°F
Dew Point
53°F
4 AM
56°F
0%
2mph
E
Cloudy
Humidity
89%
Feels like
56°F
Dew Point
53°F
5 AM
55°F
0%
2mph
E
Cloudy
Humidity
89%
Feels like
55°F
Dew Point
52°F
6 AM
56°F
0%
2mph
E
Partly Cloudy
Humidity
87%
Feels like
56°F
Dew Point
52°F
6:51 AM
7 AM
57°F
0%
2mph
E
Partly Cloudy
Humidity
84%
Feels like
57°F
Dew Point
52°F
8 AM
59°F
0%
2mph
E
Mostly Sunny
Humidity
80%
Feels like
59°F
Dew Point
53°F
9 AM
61°F
0%
1mph
WNW
Mostly Sunny
Humidity
77%
Feels like
61°F
Dew Point
54°F
10 AM
64°F
0%
1mph
W
Mostly Sunny
Humidity
73%
Feels like
64°F
Dew Point
55°F
11 AM
65°F
0%
2mph
WSW
Mostly Sunny
Humidity
71%
Feels like
65°F
Dew Point
56°F
12 PM
67°F
0%
3mph
SW
Mostly Sunny
Humidity
69%
Feels like
67°F
Dew Point
56°F
1 PM
67°F
0%
4mph
SW
Mostly Sunny
Humidity
68%
Feels like
67°F
Dew Point
57°F
2 PM
67°F
0%
4mph
SW
Mostly Sunny
Humidity
70%
Feels like
67°F
Dew Point
57°F
3 PM
65°F
0%
5mph
WSW
Mostly Sunny
Humidity
74%
Feels like
65°F
Dew Point
56°F
4 PM
63°F
0%
4mph
WSW
Mostly Sunny
Humidity
80%
Feels like
63°F
Dew Point
57°F
4:46 PM
5 PM
61°F
0%
4mph
SW
Partly Cloudy
Humidity
87%
Feels like
61°F
Dew Point
57°F
6 PM
60°F
0%
3mph
SW
Partly Cloudy
Humidity
91%
Feels like
60°F
Dew Point
57°F
7 PM
58°F
0%
2mph
SSW
Partly Cloudy
Humidity
94%
Feels like
58°F
Dew Point
56°F
8 PM
57°F
0%
2mph
S
Partly Cloudy
Humidity
94%
Feels like
57°F
Dew Point
56°F
9 PM
57°F
0%
2mph
SSE
Partly Cloudy
Humidity
95%
Feels like
57°F
Dew Point
55°F
10 PM
56°F
0%
2mph
SSE
Partly Cloudy
Humidity
97%
Feels like
56°F
Dew Point
56°F
11 PM
56°F
0%
2mph
SE
Partly Cloudy
Humidity
97%
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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