Hourly Weather Forecast - Costa Mesa, CA

12 AM
58°F
0%
3mph
E
Clear
Humidity
59%
Feels like
58°F
Dew Point
43°F
1 AM
56°F
0%
3mph
ENE
Clear
Humidity
61%
Feels like
56°F
Dew Point
43°F
2 AM
55°F
0%
3mph
ENE
Clear
Humidity
65%
Feels like
55°F
Dew Point
43°F
3 AM
53°F
0%
3mph
E
Clear
Humidity
69%
Feels like
53°F
Dew Point
44°F
4 AM
53°F
0%
3mph
E
Clear
Humidity
69%
Feels like
53°F
Dew Point
43°F
5 AM
52°F
0%
3mph
E
Clear
Humidity
71%
Feels like
52°F
Dew Point
43°F
6 AM
52°F
0%
4mph
ENE
Clear
Humidity
67%
Feels like
52°F
Dew Point
42°F
6:54 AM
7 AM
55°F
0%
3mph
ENE
Sunny
Humidity
57%
Feels like
55°F
Dew Point
40°F
8 AM
60°F
0%
3mph
ENE
Sunny
Humidity
47%
Feels like
60°F
Dew Point
40°F
9 AM
66°F
0%
2mph
ENE
Sunny
Humidity
42%
Feels like
66°F
Dew Point
42°F
10 AM
70°F
0%
2mph
ENE
Sunny
Humidity
35%
Feels like
70°F
Dew Point
42°F
11 AM
74°F
0%
2mph
E
Sunny
Humidity
29%
Feels like
74°F
Dew Point
40°F
12 PM
76°F
0%
2mph
WSW
Sunny
Humidity
24%
Feels like
76°F
Dew Point
37°F
1 PM
77°F
0%
3mph
WSW
Sunny
Humidity
27%
Feels like
77°F
Dew Point
40°F
2 PM
76°F
0%
3mph
WSW
Sunny
Humidity
27%
Feels like
76°F
Dew Point
39°F
3 PM
73°F
0%
4mph
WSW
Sunny
Humidity
30%
Feels like
73°F
Dew Point
40°F
4 PM
70°F
0%
4mph
WSW
Sunny
Humidity
38%
Feels like
70°F
Dew Point
43°F
5 PM
67°F
0%
3mph
SW
Sunny
Humidity
46%
Feels like
67°F
Dew Point
46°F
5:11 PM
6 PM
65°F
0%
2mph
SW
Clear
Humidity
50%
Feels like
65°F
Dew Point
46°F
7 PM
64°F
0%
2mph
SSE
Clear
Humidity
55%
Feels like
64°F
Dew Point
47°F
8 PM
62°F
0%
2mph
SE
Clear
Humidity
58%
Feels like
62°F
Dew Point
47°F
9 PM
61°F
0%
3mph
SE
Clear
Humidity
62%
Feels like
61°F
Dew Point
48°F
10 PM
59°F
0%
3mph
SE
Clear
Humidity
67%
Feels like
59°F
Dew Point
48°F
11 PM
58°F
0%
3mph
ESE
Clear
Humidity
69%
Feels like
58°F
Dew Point
47°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

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