18°
Partly cloudy, feels like 18°.
Costa Mesa, California, United States · Tuesday, 3 November 2026 18:30 local time
Next 24 Hours
Costa Mesa Hourly Weather
| Time | Temperature / Feels like | Weather / Chance of rain |
|---|---|---|
| 19 ° / 19 ° |
0 %
Mostly clear |
|
| 18 ° / 18 ° |
0 %
Partly cloudy |
|
| 17 ° / 18 ° |
0 %
Partly cloudy |
|
| 17 ° / 17 ° |
0 %
Partly cloudy |
|
| 16 ° / 16 ° |
0 %
Partly cloudy |
|
| 16 ° / 15 ° |
1 %
Partly cloudy |
|
| 15 ° / 15 ° |
2 %
Partly cloudy |
|
| 15 ° / 15 ° |
3 %
Partly cloudy |
|
| 15 ° / 14 ° |
2 %
Mostly clear |
|
| 15 ° / 15 ° |
1 %
Mostly clear |
|
| 15 ° / 15 ° |
0 %
Clear sky |
|
| 15 ° / 14 ° |
0 %
Clear sky |
Costa Mesa 7-Day Forecast
| Date | Low/High | Weather | Chance of rain | Wind | Summary |
|---|---|---|---|---|---|
| 12 °/24 ° |
Overcast
|
1% | 16 km/h | Today WeatherLow/High12°/24° Humidity73% Pressure1013 hPa Sunrise/Sunset |
|
| 14 °/22 ° |
Overcast
|
3% | 12 km/h | Wed 4 Nov WeatherLow/High14°/22° Humidity71% Pressure1010 hPa Sunrise/Sunset |
|
| 12 °/26 ° |
Overcast
|
0% | 12 km/h | Thu 5 Nov WeatherLow/High12°/26° Humidity53% Pressure1010 hPa Sunrise/Sunset |
|
| 20 °/29 ° |
Clear sky
|
0% | 14 km/h | Fri 6 Nov WeatherLow/High20°/29° Humidity27% Pressure1011 hPa Sunrise/Sunset |
|
| 21 °/29 ° |
Clear sky
|
0% | 13 km/h | Sat 7 Nov WeatherLow/High21°/29° Humidity22% Pressure1011 hPa Sunrise/Sunset |
|
| 21 °/27 ° |
Clear sky
|
0% | 8 km/h | Sun 8 Nov WeatherLow/High21°/27° Humidity24% Pressure1011 hPa Sunrise/Sunset |
|
| 21 °/27 ° |
Overcast
|
0% | 10 km/h | Mon 9 Nov WeatherLow/High21°/27° Humidity35% Pressure1010 hPa Sunrise/Sunset |
Costa Mesa Weather Summary
Costa Mesa, Tuesday 3 November 2026: partly cloudy, 18°C (feels like 18°C), with a range of 12–24°C today. The chance of rain over the next 24 hours is low (3% at most). Tomorrow: overcast, 14–22°C — see weather tomorrow or the hourly forecast.
Updated at 18:33 local time, 3 November 2026
Costa Mesa Hourly Temperature and Chance of Rain
Costa Mesa Temperature and Chance of Rain, Next Days
About Costa Mesa
Costa Mesa is a city in California, the United States. The forecast uses the local point at 33.64°N, 117.92°W, about 33 m above sea level. Local time is UTC−8 (America/Los Angeles). Data combine the ECMWF, ICON and GFS weather models and refresh every 15 minutes; for official warnings, follow the national weather service.
Costa Mesa Air Quality
Moderate · AQI 51Air quality is acceptable; people who are unusually sensitive should consider limiting prolonged outdoor exertion.
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