Wind
9 mph
SSW
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Costa Mesa, CA
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Hour-by-Hour Current Observation
Partly Cloudy
Wind
9 mph
SSW
UV Index
8
Very High
Humidity
61%
Dew 62°F
Sun
6:27 AM · 7:13 PM
Rise · Set
Source: LOS ALAMITOS AAF (KSLI). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Forecast Missing
Overnight: Forecast Missing
Today
Sunny, with a high near 78. Southwest wind 5 to 10 mph.
Night
Partly cloudy, with a low around 64. Northeast wind 0 to 10 mph.
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Sunny, with a high near 77. South wind 0 to 10 mph.
Night
Mostly clear, with a low around 65. South wind 0 to 10 mph.
Saturday
Forecast Missing
Overnight: Forecast Missing
Saturday
Mostly sunny, with a high near 81. North wind 0 to 10 mph.
Night
A chance of rain showers after 11pm. Partly cloudy, with a low around 69. Chance of precipitation is 40%.
Sunday
Forecast Missing
Overnight: Forecast Missing
Sunday
A chance of rain showers. Partly sunny, with a high near 81.
Night
A slight chance of rain showers. Partly cloudy, with a low around 68.
Monday
Forecast Missing
Overnight: Forecast Missing
Monday
A slight chance of rain showers. Mostly sunny, with a high near 82.
Night
A slight chance of rain showers. Partly cloudy, with a low around 68.
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.