Hourly Weather Forecast - Costa Mesa, CA

3 AM
56°F
10%
2mph
NNW
Cloudy
Humidity
95%
Feels like
56°F
Dew Point
54°F
4 AM
55°F
0%
2mph
NNW
Foggy
Humidity
99%
Feels like
55°F
Dew Point
55°F
5 AM
55°F
0%
2mph
N
Mostly Cloudy
Humidity
97%
Feels like
55°F
Dew Point
54°F
6 AM
56°F
0%
2mph
N
Cloudy
Humidity
93%
Feels like
56°F
Dew Point
54°F
6:48 AM
7 AM
58°F
0%
2mph
N
Mostly Cloudy
Humidity
89%
Feels like
58°F
Dew Point
54°F
8 AM
60°F
0%
2mph
NNW
Mostly Cloudy
Humidity
84%
Feels like
60°F
Dew Point
55°F
9 AM
62°F
0%
2mph
NNW
Mostly Cloudy
Humidity
80%
Feels like
62°F
Dew Point
56°F
10 AM
64°F
0%
2mph
NW
Mostly Cloudy
Humidity
72%
Feels like
64°F
Dew Point
55°F
11 AM
65°F
0%
2mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
65°F
Dew Point
56°F
12 PM
66°F
0%
3mph
W
Partly Cloudy
Humidity
73%
Feels like
66°F
Dew Point
57°F
1 PM
66°F
0%
4mph
W
Partly Cloudy
Humidity
73%
Feels like
66°F
Dew Point
57°F
2 PM
65°F
0%
4mph
W
Partly Cloudy
Humidity
76%
Feels like
65°F
Dew Point
57°F
3 PM
64°F
0%
4mph
W
Partly Cloudy
Humidity
79%
Feels like
64°F
Dew Point
57°F
4 PM
62°F
0%
4mph
W
Partly Cloudy
Humidity
85%
Feels like
62°F
Dew Point
58°F
4:44 PM
5 PM
61°F
0%
3mph
W
Mostly Clear
Humidity
90%
Feels like
61°F
Dew Point
58°F
6 PM
60°F
0%
2mph
W
Hazy
Humidity
92%
Feels like
60°F
Dew Point
58°F
7 PM
59°F
0%
2mph
WNW
Partly Cloudy
Humidity
91%
Feels like
59°F
Dew Point
56°F
8 PM
58°F
0%
2mph
WNW
Partly Cloudy
Humidity
88%
Feels like
58°F
Dew Point
55°F
9 PM
57°F
0%
2mph
NW
Partly Cloudy
Humidity
90%
Feels like
57°F
Dew Point
54°F
10 PM
56°F
0%
2mph
NNW
Partly Cloudy
Humidity
92%
Feels like
56°F
Dew Point
54°F
11 PM
56°F
0%
2mph
N
Partly Cloudy
Humidity
93%
Feels like
56°F
Dew Point
54°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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