Hourly Weather Forecast - Costa Mesa, CA

12 AM
55°F
0%
3mph
ENE
Clear
Humidity
82%
Feels like
55°F
Dew Point
49°F
1 AM
54°F
0%
3mph
ENE
Clear
Humidity
82%
Feels like
54°F
Dew Point
49°F
2 AM
53°F
0%
2mph
ENE
Clear
Humidity
83%
Feels like
53°F
Dew Point
48°F
3 AM
52°F
0%
3mph
ENE
Clear
Humidity
82%
Feels like
52°F
Dew Point
47°F
4 AM
52°F
0%
3mph
ENE
Mostly Clear
Humidity
80%
Feels like
52°F
Dew Point
46°F
5 AM
51°F
0%
3mph
ENE
Mostly Clear
Humidity
79%
Feels like
51°F
Dew Point
45°F
6 AM
52°F
0%
3mph
ENE
Mostly Clear
Humidity
74%
Feels like
52°F
Dew Point
44°F
6:49 AM
7 AM
54°F
0%
3mph
ENE
Mostly Sunny
Humidity
70%
Feels like
54°F
Dew Point
44°F
8 AM
58°F
0%
3mph
ENE
Mostly Sunny
Humidity
65%
Feels like
58°F
Dew Point
46°F
9 AM
62°F
0%
2mph
ENE
Mostly Sunny
Humidity
57%
Feels like
62°F
Dew Point
47°F
10 AM
66°F
0%
1mph
ENE
Partly Cloudy
Humidity
51%
Feels like
66°F
Dew Point
47°F
11 AM
68°F
0%
2mph
ENE
Partly Cloudy
Humidity
51%
Feels like
68°F
Dew Point
49°F
12 PM
69°F
0%
2mph
WSW
Partly Cloudy
Humidity
53%
Feels like
69°F
Dew Point
51°F
1 PM
69°F
0%
3mph
WSW
Partly Cloudy
Humidity
54%
Feels like
69°F
Dew Point
52°F
2 PM
69°F
0%
4mph
WSW
Partly Cloudy
Humidity
57%
Feels like
69°F
Dew Point
53°F
3 PM
67°F
0%
4mph
WSW
Partly Cloudy
Humidity
61%
Feels like
67°F
Dew Point
53°F
4 PM
65°F
0%
3mph
WSW
Partly Cloudy
Humidity
71%
Feels like
65°F
Dew Point
55°F
4:45 PM
5 PM
63°F
0%
3mph
WSW
Mostly Clear
Humidity
79%
Feels like
63°F
Dew Point
56°F
6 PM
62°F
0%
2mph
WSW
Mostly Clear
Humidity
81%
Feels like
62°F
Dew Point
56°F
7 PM
60°F
0%
2mph
WSW
Mostly Clear
Humidity
80%
Feels like
60°F
Dew Point
54°F
8 PM
59°F
0%
2mph
SSE
Mostly Clear
Humidity
75%
Feels like
59°F
Dew Point
51°F
9 PM
58°F
0%
2mph
SE
Mostly Clear
Humidity
80%
Feels like
58°F
Dew Point
52°F
10 PM
57°F
0%
2mph
SE
Partly Cloudy
Humidity
82%
Feels like
57°F
Dew Point
52°F
11 PM
56°F
0%
2mph
ESE
Partly Cloudy
Humidity
83%
Feels like
56°F
Dew Point
51°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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