Monarch Beach Weather Forecast
- 55
- 65
Mostly Sunny
- 57
- 69
Mostly Sunny
- 59
- 72
Mostly Sunny
- 60
- 73
Partly Sunny
- 59
- 71
Partly Sunny
- 58
- 68
Partly Sunny
- 58
- 68
Partly Sunny
Today 15 Oct Orange County Coastal
Mostly sunny. Highs 65 to 68. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph this afternoon.
Tonight 15 Oct Orange County Coastal
Clear. Lows 51 to 55. Areas of Winds west 10 Mph this evening becoming light.
Monarch Beach Temperature Statistics
October Temperature
John Wayne-Orange County Airport (15.5 miles)
Lowest 5 October, 2025
60.1 °FAverage October
67.5 °FHighest 10 October, 2025
78.1 °F
Climate (2020–Present)
John Wayne-Orange County Airport (15.5 miles)
Average Low 2020–2025
58.6 °FAverage 2020–2025
65.6 °FAverage High 2020–2025
73.4 °F