| National Weather Service Forecast for:
Costa Mesa, CA Issued by: National Weather Service San Diego, CA |
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| Updated: Mon, 26-Jan-2026 12:05pm PST | ||||||||||||||||||||||||||||||||||||||||
| Costa Mesa | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 71. West wind around 5 mph. |
| Tonight |
Clear, with a low around 46. East wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 70. West wind 0 to 5 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 48. North wind 0 to 5 mph. |
| Wednesday |
Partly sunny, with a high near 71. North wind 0 to 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 49. |
| Thursday |
Sunny, with a high near 75. |
| Thursday Night |
Mostly clear, with a low around 53. |
| Friday |
Mostly sunny, with a high near 78. |
| Friday Night |
Partly cloudy, with a low around 54. |
| Saturday |
Mostly sunny, with a high near 78. |
| Saturday Night |
Mostly cloudy, with a low around 54. |
| Sunday |
Mostly sunny, with a high near 72. |
| Sunday Night |
Mostly cloudy, with a low around 52. |
Forecast from NOAA-NWS for Costa Mesa, CA.