Wind
0 mph
N
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Costa Mesa, CA
Get Alerts No Active Alerts
Hour-by-Hour Current Observation
Mostly Cloudy
Wind
0 mph
N
UV Index
0
None
Humidity
80%
Dew 62°F
Sun
6:13 AM · 7:38 PM
Rise · Set
Source: LOS ALAMITOS AAF (KSLI). Slider scrubs the next 12 hours.
5-Day Outlook
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Mostly sunny, with a high near 77. West wind 0 to 10 mph.
Night
Partly cloudy, with a low around 64. West wind 0 to 10 mph.
Saturday
Forecast Missing
Overnight: Forecast Missing
Saturday
Sunny, with a high near 78. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Night
Partly cloudy, with a low around 65. West wind 0 to 10 mph.
Sunday
Forecast Missing
Overnight: Forecast Missing
Sunday
Mostly sunny, with a high near 79.
Night
Partly cloudy, with a low around 66.
Monday
Forecast Missing
Overnight: Forecast Missing
Monday
Mostly sunny, with a high near 80.
Night
Partly cloudy, with a low around 66.
Tuesday
Forecast Missing
Overnight: Forecast Missing
Tuesday
Mostly sunny, with a high near 81.
Night
Partly cloudy, with a low around 67.
Costa Mesa, CA Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Costa Mesa, CA.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.