| National Weather Service Forecast for:
Costa Mesa, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Tue, 03-Feb-2026 12:30pm PST | ||||||||||||||||||||||||||||||||||||||||
| Costa Mesa | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Clear, with a low around 52. North wind 0 to 5 mph. |
| Wednesday |
Sunny, with a high near 87. East wind around 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 54. East wind 5 to 10 mph. |
| Thursday |
Partly sunny, with a high near 78. South wind 5 to 10 mph. |
| Thursday Night |
Mostly cloudy, with a low around 53. South wind 0 to 5 mph. |
| Friday |
Partly sunny, with a high near 73. |
| Friday Night |
Partly cloudy, with a low around 52. |
| Saturday |
Mostly sunny, with a high near 75. |
| Saturday Night |
Mostly clear, with a low around 51. |
| Sunday |
Sunny, with a high near 76. |
| Sunday Night |
Partly cloudy, with a low around 52. |
| Monday |
Partly sunny, with a high near 71. |
| Monday Night |
A slight chance of rain showers after 10pm. Partly cloudy, with a low around 51. |
| Tuesday |
A chance of rain showers. Partly sunny, with a high near 66. |
Forecast from NOAA-NWS for Costa Mesa, CA.