Hourly Weather Forecast - Costa Mesa, CA

1 AM
53°F
0%
3mph
ESE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
2 AM
53°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
3 AM
53°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
4 AM
53°F
0%
2mph
ESE
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
5 AM
53°F
0%
2mph
E
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
6 AM
53°F
0%
2mph
ENE
Foggy
Humidity
99%
Feels like
53°F
Dew Point
53°F
6:50 AM
7 AM
54°F
0%
3mph
NE
Hazy
Humidity
94%
Feels like
54°F
Dew Point
53°F
8 AM
57°F
0%
2mph
NNE
Mostly Sunny
Humidity
86%
Feels like
57°F
Dew Point
53°F
9 AM
60°F
0%
2mph
NNE
Mostly Sunny
Humidity
78%
Feels like
60°F
Dew Point
53°F
10 AM
62°F
0%
2mph
N
Mostly Sunny
Humidity
72%
Feels like
62°F
Dew Point
53°F
11 AM
65°F
0%
2mph
NW
Mostly Sunny
Humidity
66%
Feels like
65°F
Dew Point
53°F
12 PM
68°F
0%
2mph
W
Mostly Sunny
Humidity
60%
Feels like
68°F
Dew Point
54°F
1 PM
70°F
0%
2mph
W
Sunny
Humidity
58%
Feels like
70°F
Dew Point
54°F
2 PM
70°F
0%
3mph
W
Mostly Sunny
Humidity
59%
Feels like
70°F
Dew Point
55°F
3 PM
68°F
0%
3mph
WSW
Mostly Sunny
Humidity
63%
Feels like
68°F
Dew Point
55°F
4 PM
67°F
0%
3mph
WSW
Partly Cloudy
Humidity
68%
Feels like
67°F
Dew Point
56°F
4:45 PM
5 PM
65°F
0%
3mph
WSW
Mostly Clear
Humidity
72%
Feels like
65°F
Dew Point
56°F
6 PM
64°F
0%
2mph
S
Mostly Clear
Humidity
75%
Feels like
64°F
Dew Point
56°F
7 PM
62°F
0%
1mph
SE
Mostly Clear
Humidity
77%
Feels like
62°F
Dew Point
55°F
8 PM
61°F
0%
2mph
SE
Clear
Humidity
79%
Feels like
61°F
Dew Point
54°F
9 PM
60°F
0%
2mph
SSE
Clear
Humidity
81%
Feels like
60°F
Dew Point
54°F
10 PM
58°F
0%
2mph
SSE
Clear
Humidity
83%
Feels like
58°F
Dew Point
53°F
11 PM
58°F
0%
2mph
SSE
Clear
Humidity
85%
Feels like
58°F
Dew Point
53°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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