| National Weather Service Forecast for:
Costa Mesa, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Sun, 08-Nov-2026 12:21am PST | ||||||||||||||||||||||||||||||||||||||||
| Costa Mesa | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 87. West wind 0 to 5 mph. |
| Tonight |
Mostly clear, with a low around 64. East wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 86. Southeast wind 0 to 5 mph. |
| Monday Night |
Partly cloudy, with a low around 64. Northwest wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 85. Northwest wind 0 to 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 64. |
| Veterans Day |
Sunny, with a high near 86. |
| Wednesday Night |
Clear, with a low around 62. |
| Thursday |
Sunny, with a high near 81. |
| Thursday Night |
Partly cloudy, with a low around 60. |
| Friday |
A slight chance of rain showers after 4pm. Mostly sunny, with a high near 79. |
| Friday Night |
A slight chance of rain showers. Partly cloudy, with a low around 60. |
| Saturday |
A slight chance of rain showers. Mostly sunny, with a high near 76. |
| Saturday Night |
A chance of rain showers. Mostly cloudy, with a low around 58. |
Forecast from NOAA-NWS for Costa Mesa, CA.