Fountain Valley Weather Forecast
- 52
- 79
Mostly Sunny
- 53
- 76
Increasing Clouds
- 52
- 65
Chance Rain Showers
- 47
- 65
Chance Rain Showers
- 49
- 68
Mostly Cloudy
- 49
- 70
Mostly Sunny
- 48
- 68
Chance Rain Showers
Today 8 Feb Orange County Inland
Mostly sunny. Highs 80 to 84. Areas of Winds east to 10 Mph becoming west 10 Mph this afternoon.
Tonight 8 Feb Orange County Inland
Clear. Lows 52 to 57. Light Winds.
Fountain Valley Temperature Statistics
February Temperature
John Wayne-Orange County Airport (5 miles)
Lowest 1 February, 2026
52.6 °FAverage February
65.4 °FHighest 4 February, 2026
89.1 °F
Climate (2021–Present)
John Wayne-Orange County Airport (5 miles)
Average Low 2021–2026
58.8 °FAverage 2021–2026
65.7 °FAverage High 2021–2026
73.5 °F