| National Weather Service Forecast for:
Costa Mesa, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Tue, 28-Jul-2026 12:34am PDT | ||||||||||||||||||||||||||||||||||||||||
| Costa Mesa | ||||||||||||||||||||||||||||||||||||||||
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Coastal Flood Advisory
Beach Hazards Statement
High Surf Advisory
| Overnight |
Mostly cloudy, with a low around 68. South wind around 0 mph. |
| Tuesday |
Mostly sunny, with a high near 82. South wind 0 to 10 mph. |
| Tuesday Night |
Partly cloudy, with a low around 68. South wind 0 to 5 mph. |
| Wednesday |
Mostly sunny, with a high near 82. South wind 0 to 10 mph. |
| Wednesday Night |
Partly cloudy, with a low around 66. South wind 0 to 10 mph. |
| Thursday |
Sunny, with a high near 83. |
| Thursday Night |
Patchy fog after 11pm. Partly cloudy, with a low around 68. |
| Friday |
Patchy fog before 11am. Sunny, with a high near 85. |
| Friday Night |
Mostly clear, with a low around 70. |
| Saturday |
Sunny, with a high near 87. |
| Saturday Night |
Mostly clear, with a low around 71. |
| Sunday |
Sunny, with a high near 85. |
| Sunday Night |
Mostly clear, with a low around 70. |
| Monday |
Sunny, with a high near 83. |
Forecast from NOAA-NWS for Costa Mesa, CA.