Hourly Weather Forecast - Costa Mesa, CA

12 AM
57°F
10%
4mph
SE
Partly Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
1 AM
57°F
10%
4mph
SE
Partly Cloudy
Humidity
86%
Feels like
57°F
Dew Point
53°F
2 AM
56°F
10%
4mph
SE
Partly Cloudy
Humidity
84%
Feels like
56°F
Dew Point
51°F
3 AM
55°F
10%
4mph
ESE
Partly Cloudy
Humidity
84%
Feels like
55°F
Dew Point
51°F
4 AM
55°F
10%
4mph
ESE
Partly Cloudy
Humidity
84%
Feels like
55°F
Dew Point
50°F
5 AM
54°F
10%
4mph
E
Partly Cloudy
Humidity
85%
Feels like
54°F
Dew Point
49°F
6 AM
55°F
0%
3mph
E
Partly Cloudy
Humidity
81%
Feels like
55°F
Dew Point
49°F
6:17 AM
7 AM
57°F
0%
3mph
E
Partly Cloudy
Humidity
76%
Feels like
57°F
Dew Point
50°F
8 AM
61°F
0%
2mph
E
Partly Cloudy
Humidity
69%
Feels like
61°F
Dew Point
51°F
9 AM
64°F
0%
2mph
SE
Mostly Sunny
Humidity
60%
Feels like
64°F
Dew Point
50°F
10 AM
67°F
0%
2mph
S
Sunny
Humidity
55%
Feels like
67°F
Dew Point
50°F
11 AM
68°F
0%
3mph
SW
Sunny
Humidity
51%
Feels like
68°F
Dew Point
50°F
12 PM
69°F
0%
4mph
SW
Sunny
Humidity
49%
Feels like
69°F
Dew Point
49°F
1 PM
70°F
0%
6mph
WSW
Mostly Sunny
Humidity
47%
Feels like
70°F
Dew Point
49°F
2 PM
71°F
0%
6mph
WSW
Sunny
Humidity
46%
Feels like
71°F
Dew Point
49°F
3 PM
70°F
0%
7mph
WSW
Sunny
Humidity
46%
Feels like
70°F
Dew Point
48°F
4 PM
68°F
0%
7mph
W
Sunny
Humidity
52%
Feels like
68°F
Dew Point
50°F
5 PM
66°F
0%
6mph
W
Sunny
Humidity
55%
Feels like
66°F
Dew Point
50°F
5:49 PM
6 PM
65°F
0%
4mph
W
Clear
Humidity
60%
Feels like
65°F
Dew Point
50°F
7 PM
63°F
0%
3mph
W
Clear
Humidity
64%
Feels like
63°F
Dew Point
51°F
8 PM
62°F
0%
3mph
WSW
Clear
Humidity
70%
Feels like
62°F
Dew Point
52°F
9 PM
60°F
0%
2mph
SW
Clear
Humidity
76%
Feels like
60°F
Dew Point
53°F
10 PM
59°F
0%
2mph
SSW
Clear
Humidity
80%
Feels like
59°F
Dew Point
53°F
11 PM
58°F
0%
2mph
S
Clear
Humidity
84%
Feels like
58°F
Dew Point
53°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide