Today's Weather in Costa Mesa

Sat 2nd, Aug

19°C 66°F
Feels like: 19°C 66°F
Clear sky night
South
7km/h 5mph / S
Gust: 4 km/h
Gust: 4 mph

  • Rain: 0 mm
  • Sun: 0 mins
  • Cloud: %
  • RH: 79.2%
  • Pressure: 0 mb
  • Visibility: 24134.7 m
Sunrise: 06:05
Sunset: 19:50

Costa Mesa 24hr weather forecast

09:00 12:00 15:00 18:00 21:00 00:00 03:00 06:00
Clear sky night
19°C
5 mph
Clear sky night
19°C
2 mph
Sunny
20°C
2 mph
Sunny
24°C
7 mph
Hazy sun
25°C
9 mph
Sunny
25°C
9 mph
Clear sky night
23°C
7 mph
Clear sky night
21°C
5 mph
15 day Costa Mesa forecast »

the weather forecast for tomorrow

weekly weather Costa Mesa COUNTRY weekend weather 5/7 day forecast weather office

what's the temperature in Costa Mesa / Costa Mesa temperature now / Costa Mesa temp / Costa Mesa temperature Costa Mesa Forecast - Bureau of Meteorology / BOM Costa Mesa Costa Mesa weather live today's weather forecast in Costa Mesa Costa Mesa weather hourly current weather condition in Costa Mesa

What's the weather supposed to be like today?!

Costa Mesa average weather Saturday 2nd August 2025 01:18 AM
Max temp: 30.6°C 87.1°F
Min temp: 9.9°C 49.9°F
Rainfall: 0mm 0ins

Past weather forecasts... historical weather data... Costa Mesa weather year round / Costa Mesa weather history

Monthly weather averages

UV index
Map showing location of Costa Mesa (33.64113, -117.91867) Costa Mesa map pin © Google

Locations nearby