Monarch Beach Weather Forecast
- 52
- 67
Increasing Clouds
- 52
- 66
Mostly Cloudy
- 51
- 69
Mostly Sunny
- 52
- 68
Mostly Sunny
- 55
- 73
Mostly Sunny
- 54
- 73
Partly Sunny
- 54
- 68
Mostly Sunny
Today 3 Mar Orange County Coastal
Partly cloudy this morning. Becoming mostly sunny. Highs 67 to 72. Light Winds becoming southwest 10 Mph this afternoon.
Tonight 3 Mar Orange County Coastal
Partly cloudy. Lows around 52. Light Winds.
Monarch Beach Temperature Statistics
March Temperature
John Wayne-Orange County Airport (15.5 miles)
Lowest 1 March, 2026
57.9 °FAverage March
67.2 °FHighest 1 March, 2026
80.1 °F
Climate (2021–Present)
John Wayne-Orange County Airport (15.5 miles)
Average Low 2021–2026
58.9 °FAverage 2021–2026
65.8 °FAverage High 2021–2026
73.5 °F