Costa Mesa, California Weather
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Weather Forecast for Costa Mesa, California : Orange County
Issued: 8:20 pm PDT Jul 1, 2025 Latitude: 33.6411316 Longitude: -117.9186689 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Independence Day Saturday Sunday Monday Tuesday
Mostly Cloudy on Tonight Mostly Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Independence Day Mostly Cloudy on Saturday Mostly Cloudy on Sunday Mostly Cloudy on Monday Mostly Cloudy on Tuesday
Low: 62°F High: 73°F High: 72°F High: 75°F High: 76°F High: 77°F High: 77°F High: 78°F
Low: 62°F Low: 62°F Low: 63°F Low: 63°F Low: 63°F Low: 64°F  
Mostly Cloudy Mostly Sunny Partly Sunny Mostly Sunny Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
SANTA ANA - (KSNA)
66°
Mostly Clear
as of 8:53 PM PDST
Rel. Humidity: 68%
Dew Point: 55°F
Visibility: 10 Miles
Pressure: 29.82 in.
Flight Rule: VFR
Wind Data
5 MPH
240° Southwest
Cloud Level(s): Few at 1400ft, Few at 3500ft
Current Conditions at
FULLERTON - (KFUL)
70°
Clear
as of 8:53 PM PDST
Rel. Humidity: 64%
Dew Point: 57°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
5 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
LONG BEACH - (KLGB)
64°
Clear
as of 8:53 PM PDST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: VFR
Wind Data
10 MPH
310° Northwest
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a low around 62. West wind around 5 mph becoming calm after midnight.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 73. Light west wind becoming southwest 5 to 10 mph in the morning.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 62. West wind 5 to 10 mph becoming light and variable after midnight.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 72. South wind 5 to 10 mph becoming southwest in the afternoon.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Mostly Sunny on Independence Day Independence Day... Mostly sunny, with a high near 75.
Increasing Clouds on Friday Night Friday Night... Increasing clouds, with a low around 63.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, then gradually becoming sunny, with a high near 76.
Increasing Clouds on Saturday Night Saturday Night... Increasing clouds, with a low around 63.
Mostly Cloudy on Sunday Sunday... Mostly cloudy, then gradually becoming sunny, with a high near 77.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 63.
Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 77.
Increasing Clouds on Monday Night Monday Night... Increasing clouds, with a low around 64.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, then gradually becoming sunny, with a high near 78.
Sun Almanac for Costa Mesa, California
Sunrise: 05:46 AM
Sunset: 8:06 PM
Civil Sunrise:05:17 AM
Civil Sunset: 8:35 PM
Nautical Sunrise: 04:42 AM
Nautical Sunset: 9:10 PM
Astro Sunrise: 04:03 AM
Astro Sunset: 9:49 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.