Olive Hills Reservoir Weather Forecast

    • 42
    • 58

    Becoming Sunny

    • 50
    • 68

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 54
    • 78

    Partly Sunny

    • 56
    • 76

    Partly Sunny

    • 55
    • 75

    Slight Chance Rain Showers

Today 20 Feb Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Patchy dense fog this morning. Highs around 60. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 20 Feb Orange County Inland

Clear. Lows 40 to 43. Light Winds becoming east 10 Mph overnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Olive Hills Reservoir Temperature Statistics

February Temperature

Fullerton, Fullerton Municipal Airport (9.3 miles)

  • Lowest 13 February, 2026

    46.9 °F

  • Average February

    62.7 °F

  • Highest 4 February, 2026

    90.6 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (9.3 miles)

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

  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    76.5 °F
Get WillyWeather+ to remove ads