Wind
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0 mph
G 0 mph
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Costa Mesa, CA.
Active Alerts 1 active
Hour-by-Hour Current Observation
Mostly Cloudy
Wind
N
0 mph
G 0 mph
UV Index
0
None
Humidity
83%
Dew 54°F
Sun
5:49 AM · 7:46 PM
Rise · Set
Source: LOS ALAMITOS AAF (KSLI). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Forecast Missing
Overnight: Forecast Missing
Today
Patchy drizzle before 8am. Mostly cloudy, with a high near 71. South wind around 10 mph, with gusts as high as 20 mph.
Night
Mostly cloudy, with a low around 57. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Forecast Missing
Overnight: Forecast Missing
Monday
Mostly sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Night
Partly cloudy, with a low around 56. South wind 0 to 10 mph, with gusts as high as 20 mph.
Tuesday
Forecast Missing
Overnight: Forecast Missing
Tuesday
Sunny, with a high near 75.
Night
Partly cloudy, with a low around 58.
Wednesday
Forecast Missing
Overnight: Forecast Missing
Wednesday
Sunny, with a high near 75.
Night
Partly cloudy, with a low around 58.
Thursday
Forecast Missing
Overnight: Forecast Missing
Thursday
Mostly sunny, with a high near 74.
Night
Partly cloudy, with a low around 57.
Costa Mesa, CA Weather Analysis Tools