Hourly Weather Forecast - Costa Mesa, CA

2 AM
54°F
10%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
3 AM
54°F
10%
2mph
NNW
Foggy
Humidity
100%
Feels like
54°F
Dew Point
54°F
4 AM
53°F
0%
2mph
NNW
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
5 AM
53°F
0%
2mph
N
Foggy
Humidity
100%
Feels like
53°F
Dew Point
53°F
6 AM
54°F
0%
2mph
N
Cloudy
Humidity
98%
Feels like
54°F
Dew Point
54°F
6:48 AM
7 AM
56°F
0%
2mph
N
Mostly Cloudy
Humidity
92%
Feels like
56°F
Dew Point
54°F
8 AM
59°F
0%
2mph
NNW
Mostly Cloudy
Humidity
87%
Feels like
59°F
Dew Point
55°F
9 AM
62°F
0%
2mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
62°F
Dew Point
56°F
10 AM
64°F
0%
2mph
NW
Mostly Cloudy
Humidity
73%
Feels like
64°F
Dew Point
55°F
11 AM
65°F
0%
2mph
WNW
Mostly Cloudy
Humidity
73%
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
72%
Feels like
66°F
Dew Point
57°F
2 PM
65°F
0%
4mph
W
Partly Cloudy
Humidity
75%
Feels like
65°F
Dew Point
57°F
3 PM
64°F
0%
4mph
W
Partly Cloudy
Humidity
78%
Feels like
64°F
Dew Point
57°F
4 PM
63°F
0%
4mph
W
Mostly Sunny
Humidity
83%
Feels like
63°F
Dew Point
58°F
4:44 PM
5 PM
62°F
0%
3mph
W
Mostly Clear
Humidity
88%
Feels like
62°F
Dew Point
58°F
6 PM
60°F
0%
2mph
W
Partly Cloudy
Humidity
90%
Feels like
60°F
Dew Point
58°F
7 PM
59°F
0%
2mph
WNW
Partly Cloudy
Humidity
90%
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
57°F
0%
2mph
NNW
Partly Cloudy
Humidity
91%
Feels like
57°F
Dew Point
54°F
11 PM
56°F
0%
2mph
N
Partly Cloudy
Humidity
91%
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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide