Weather WorldL A Times Costa Mesa, CA 7-Day Weather Forecast
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L A Times Costa Mesa Weather Forecast
L A Times Costa Mesa, CA Weather Forecast Date: 1216 PM PDT Mon Aug 31 2026
Weather forecast for L A Times Costa Mesa, CA
Tonight Lo: 62°F Lo: 17°C |
Tonight... Clear this evening...Becoming partly cloudy. Lows 58 to 65. Areas of winds southwest 10 mph this evening becoming light. |
Tue Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Tuesday... Mostly sunny. Highs around 81 towards the coast to 83 to 86 farther inland. Light winds becoming southwest 10 mph in the afternoon. |
| Wed Hi: 84°FHi: 29°C Lo: 62°F Lo: 17°C |
Wednesday... Mostly sunny. Highs 81 to 85. Light winds becoming southwest 10 mph in the afternoon. |
Thu Hi: 84°FHi: 29°C Lo: 63°F Lo: 17°C |
Thursday... Partly cloudy in the morning...Becoming mostly sunny. Highs 81 to 85. |
| Fri Hi: 85°FHi: 29°C Lo: 64°F Lo: 18°C |
Friday... Partly cloudy in the morning...Becoming mostly sunny. Highs 80 to 83 towards the coast to 85 farther inland. |
Sat Hi: 85°FHi: 29°C Lo: 67°F Lo: 19°C |
Saturday... Partly cloudy with a slight chance of showers. Highs 81 to 84 towards the coast to 85 farther inland. |
| Sun Hi: 86°FHi: 30°C Lo: 69°F Lo: 21°C |
Sunday... Partly cloudy with a slight chance of showers. Highs around 86 towards the coast to 90 farther inland. |
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