Costa Mesa Weather Forecast
- 55
- 86
Sunny
- 53
- 76
Partly Sunny
- 53
- 67
Mostly Cloudy
- 53
- 64
Slight Chance Rain
- 52
- 64
Mostly Cloudy
- 53
- 66
Mostly Sunny
- 53
- 69
Mostly Sunny
Today 18 Apr Orange County Coastal
Mostly sunny. Warmer. Highs 80 to 85 at the Beaches to 86 farther inland and near higher coastal Terrain. Areas of Winds northeast 15 to 20 Mph with Gusts to 30 Mph.
Costa Mesa Temperature Statistics
April Temperature
John Wayne-Orange County Airport (3.7 miles)
Lowest 15 April, 2021
52 °FAverage April
61.8 °FHighest 1 April, 2021
90 °F
Climate (2010–Present)
John Wayne-Orange County Airport (3.7 miles)
Average Low 2010–Present
58.3 °FAverage 2010–Present
64.7 °FAverage High 2010–Present
73.2 °F