Olive Hills Reservoir Weather Forecast

    • 56
    • 80

    Partly Sunny

    • 55
    • 79

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 81

    Patchy Fog

    • 58
    • 80

    Patchy Fog

Today 23 Feb Orange County Inland

Partly cloudy this morning. Becoming mostly sunny. Highs 78 to 82. Areas of Winds west to 10 Mph.

Tonight 23 Feb Orange County Inland

Mostly clear in the evening. Becoming partly cloudy. Lows 51 to 57. Areas of Winds south to 10 Mph in the evening becoming light.

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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 20 February, 2026

    39 °F

  • Average February

    61.2 °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

    76.5 °F
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