Olive Hills Reservoir Weather Forecast

    • 48
    • 71

    Mostly Sunny

    • 50
    • 69

    Mostly Cloudy

    • 51
    • 66

    Rain Likely

    • 50
    • 60

    Rain

    • 47
    • 61

    Rain Showers

    • 47
    • 60

    Chance Rain Showers

Today 13 Feb Orange County Inland

Mostly sunny. Highs 69 to 73. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 13 Feb Orange County Inland

Mostly clear. Lows 46 to 49. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olive Hills Reservoir Temperature Statistics

February Temperature

Fullerton, Fullerton Municipal Airport (9.3 miles)

  • Lowest 3 February, 2026

    48.7 °F

  • Average February

    66.6 °F

  • Highest 4 February, 2026

    90.6 °F

Climate (2021–Present)

Fullerton, Fullerton Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    56.9 °F

  • Average 2021–2026

    66.2 °F

  • Average High 2021–2026

    76.6 °F
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