Hourly Weather Forecast - Costa Mesa, CA

12 AM
55°F
0%
3mph
NNE
Clear
Humidity
56%
Feels like
55°F
Dew Point
40°F
1 AM
54°F
0%
3mph
NNE
Clear
Humidity
57%
Feels like
54°F
Dew Point
39°F
2 AM
53°F
0%
4mph
NNE
Clear
Humidity
59%
Feels like
53°F
Dew Point
39°F
3 AM
52°F
0%
4mph
NNE
Clear
Humidity
61%
Feels like
52°F
Dew Point
39°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's 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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