| National Weather Service Forecast for:
Costa Mesa, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Fri, 08-May-2026 11:51pm PDT | ||||||||||||||||||||||||||||||||||||||||
| Costa Mesa | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy fog before 11am. Mostly sunny, with a high near 74. South wind 5 to 10 mph, with gusts as high as 20 mph. |
| Tonight |
Patchy fog after 11pm. Mostly cloudy, with a low around 57. South wind 5 to 10 mph. |
| Sunday |
Patchy fog before 11am. Mostly sunny, with a high near 75. South wind 5 to 10 mph, with gusts as high as 20 mph. |
| Sunday Night |
Patchy fog after 11pm. Partly cloudy, with a low around 58. South wind 0 to 10 mph. |
| Monday |
Patchy fog before 11am. Mostly sunny, with a high near 79. Southwest wind 0 to 10 mph, with gusts as high as 20 mph. |
| Monday Night |
Partly cloudy, with a low around 58. |
| Tuesday |
Mostly sunny, with a high near 75. |
| Tuesday Night |
Partly cloudy, with a low around 57. |
| Wednesday |
Mostly sunny, with a high near 74. |
| Wednesday Night |
Mostly clear, with a low around 57. |
| Thursday |
Sunny, with a high near 75. |
| Thursday Night |
Mostly clear, with a low around 57. |
| Friday |
Sunny, with a high near 75. |
| Friday Night |
Mostly clear, with a low around 57. |
Forecast from NOAA-NWS for Costa Mesa, CA.