Fountain Valley Weather Forecast

    • 52
    • 73

    Patchy Fog

    • 55
    • 78

    Mostly Sunny

    • 57
    • 85

    Mostly Cloudy

    • 54
    • 77

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 50
    • 69

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

Today 25 Feb Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs around 75 towards the coast to 80 farther inland. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 25 Feb Orange County Inland

Mostly clear this evening. Becoming partly cloudy. Lows 53 to 57. Light Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountain Valley Temperature Statistics

February Temperature

John Wayne-Orange County Airport (5 miles)

  • Lowest 20 February, 2026

    43.6 °F

  • Average February

    61.1 °F

  • Highest 4 February, 2026

    89.7 °F

Climate (2021–Present)

John Wayne-Orange County Airport (5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    58.8 °F

  • Average 2021–2026

    65.7 °F

  • Average High 2021–2026

    73.5 °F
Get WillyWeather+ to remove ads