Wind
7 mph
SW
Local Forecast
Current conditions, 5-day forecast, active weather alerts for Costa Mesa, CA
Hour-by-Hour Current Observation
Mostly Clear
Wind
7 mph
SW
UV Index
6
High
Humidity
45%
Dew 51°F
Sun
6:56 AM · 6:17 PM
Rise · Set
Source: LOS ALAMITOS AAF (KSLI). Slider scrubs the next 12 hours.
5-Day Outlook
This Afternoon
Forecast Missing
Overnight: Forecast Missing
This Afternoon
Sunny, with a high near 73. Southwest wind 5 to 10 mph.
Night
Clear, with a low around 58. North wind 0 to 5 mph.
Wednesday
Forecast Missing
Overnight: Forecast Missing
Wednesday
Sunny, with a high near 78. Northwest wind 0 to 10 mph.
Night
Clear, with a low around 61. North wind 0 to 10 mph.
Thursday
Forecast Missing
Overnight: Forecast Missing
Thursday
Sunny, with a high near 89. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Night
Mostly clear, with a low around 69.
Friday
Forecast Missing
Overnight: Forecast Missing
Friday
Sunny, with a high near 94.
Night
Mostly clear, with a low around 69.
Saturday
Forecast Missing
Overnight: Forecast Missing
Saturday
Sunny, with a high near 87.
Night
Clear, 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.