| National Weather Service Forecast for:
Costa Mesa CA Issued by: National Weather Service San Diego, CA |
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| Updated: 12:37 am PDT May 4, 2026 | ||||||||||||||||||
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| Today |
Mostly sunny, with a high near 68. West wind 10 to 15 mph, with gusts as high as 20 mph. |
| Tonight |
A slight chance of showers after 11pm. Mostly cloudy, with a low around 54. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. |
| Tuesday |
Mostly sunny, with a high near 67. West wind 5 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
Mostly clear, with a low around 54. West wind 5 to 15 mph, with gusts as high as 20 mph. |
| Wednesday |
Mostly sunny, with a high near 71. Light and variable wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph. |
| Wednesday Night |
Mostly clear, with a low around 55. |
| Thursday |
Sunny, with a high near 74. |
| Thursday Night |
Mostly clear, with a low around 57. |
| Friday |
Mostly sunny, with a high near 76. |
| Friday Night |
Mostly clear, with a low around 59. |
| Saturday |
Sunny, with a high near 77. |
| Saturday Night |
Mostly clear, with a low around 59. |
| Sunday |
Sunny, with a high near 79. |
Forecast from NOAA-NWS for Costa Mesa CA.
