Costa Mesa, California 14-day weather forecast
Tuesday 10 November 2026 | 02:41
22°
Clear sky
Feels like 24°
- High
- 28°
- Low
- 15°
- Humidity
- 69%
- Wind
- 6 km/h
14-day forecast / Costa Mesa
The trend for the next two weeks
- Today9 NovClear sky28° / 15°0 mm0%8 – 12 km/hSouth-West5Moderate
- Tomorrow10 NovScattered clouds27° / 16°0 mm0%9 – 13 km/hSouth-West5Moderate
- Wednesday11 NovClear sky28° / 14°0 mm0%7 – 10 km/hWest5Moderate
- Thursday12 NovScattered clouds26° / 21°0 mm21%10 – 14 km/hSouth-West5Moderate
- Friday13 NovScattered clouds23° / 20°0.1 mm35%11 – 16 km/hSouth-West4Moderate
- Saturday14 NovDrizzle21° / 18°4 mm25%16 – 23 km/hSouth-West4Moderate
- Sunday15 NovFew clouds21° / 19°0.6 mm41%11 – 16 km/hSouth4Moderate
- Monday16 NovLight drizzle21° / 18°2.3 mm41%13 – 19 km/hSouth-West4Moderate
- Tuesday17 NovClear sky21° / 17°0 mm25%16 – 23 km/hWest4Moderate
- Wednesday18 NovDrizzle20° / 16°2.7 mm28%19 – 27 km/hWest4Moderate
- Thursday19 NovScattered clouds17° / 15°0.6 mm29%16 – 23 km/hWest4Moderate
- Friday20 NovClear sky19° / 14°0 mm20%9 – 13 km/hEast4Moderate
- Saturday21 NovScattered clouds19° / 14°0.4 mm16%9 – 12 km/hSouth-East4Moderate
- Sunday22 NovOvercast19° / 17°0.8 mm29%8 – 12 km/hSouth-East3Moderate
Temperature and rain / Costa Mesa
The coming days
High
28°
Low
13°
Average high
21.9°
Average low
16.5°
Total rain
37.0 mm
Average rain
2.5 mm
Air quality - Costa Mesa
Particles and ozone
Moderate
12.40 µg/m³
0-1212-3535-5555+
Acceptable; sensitive people should take care.
PM1014.00µg/m³
Ozone46µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Costa Mesa
Tomorrow in Costa Mesa, expect Scattered clouds ⛅, with:\n\n- High of 27°\n- Low of 16°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-10