Hourly Weather Forecast - Costa Mesa, CA

12 AM
56°F
0%
3mph
E
Cloudy
Humidity
86%
Feels like
56°F
Dew Point
52°F
1 AM
55°F
0%
3mph
E
Cloudy
Humidity
88%
Feels like
55°F
Dew Point
52°F
2 AM
55°F
0%
3mph
E
Cloudy
Humidity
89%
Feels like
55°F
Dew Point
51°F
3 AM
54°F
0%
3mph
ENE
Cloudy
Humidity
90%
Feels like
54°F
Dew Point
51°F
4 AM
54°F
0%
3mph
ENE
Cloudy
Humidity
92%
Feels like
54°F
Dew Point
51°F
5 AM
53°F
0%
3mph
ENE
Cloudy
Humidity
90%
Feels like
53°F
Dew Point
51°F
6 AM
54°F
0%
3mph
NE
Cloudy
Humidity
86%
Feels like
54°F
Dew Point
50°F
6:50 AM
7 AM
57°F
0%
3mph
NE
Cloudy
Humidity
81%
Feels like
57°F
Dew Point
51°F
8 AM
60°F
0%
2mph
NNE
Cloudy
Humidity
74%
Feels like
60°F
Dew Point
52°F
9 AM
64°F
0%
1mph
NNE
Mostly Sunny
Humidity
67%
Feels like
64°F
Dew Point
53°F
10 AM
68°F
0%
1mph
N
Sunny
Humidity
58%
Feels like
68°F
Dew Point
53°F
11 AM
71°F
0%
2mph
NW
Sunny
Humidity
56%
Feels like
71°F
Dew Point
54°F
12 PM
72°F
0%
3mph
WNW
Mostly Sunny
Humidity
56%
Feels like
72°F
Dew Point
55°F
1 PM
73°F
0%
3mph
W
Mostly Sunny
Humidity
55%
Feels like
73°F
Dew Point
55°F
2 PM
72°F
0%
4mph
W
Mostly Sunny
Humidity
57%
Feels like
72°F
Dew Point
56°F
3 PM
70°F
0%
4mph
W
Mostly Sunny
Humidity
60%
Feels like
70°F
Dew Point
56°F
4 PM
68°F
0%
4mph
W
Mostly Sunny
Humidity
68%
Feels like
68°F
Dew Point
57°F
4:45 PM
5 PM
66°F
0%
3mph
W
Mostly Clear
Humidity
74%
Feels like
66°F
Dew Point
57°F
6 PM
64°F
0%
2mph
W
Mostly Clear
Humidity
76%
Feels like
64°F
Dew Point
57°F
7 PM
63°F
0%
1mph
W
Partly Cloudy
Humidity
76%
Feels like
63°F
Dew Point
56°F
8 PM
62°F
0%
1mph
WSW
Mostly Clear
Humidity
74%
Feels like
62°F
Dew Point
54°F
9 PM
61°F
0%
2mph
SSE
Mostly Clear
Humidity
76%
Feels like
61°F
Dew Point
53°F
10 PM
60°F
0%
2mph
SE
Mostly Clear
Humidity
78%
Feels like
60°F
Dew Point
53°F
11 PM
59°F
0%
2mph
ESE
Mostly Clear
Humidity
80%
Feels like
59°F
Dew Point
53°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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