California Citrus State Historical Park Weather Forecast

    • 51
    • 78

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 73

    Mostly Cloudy

    • 50
    • 74

    Mostly Cloudy

    • 54
    • 70

    Rain

    • 52
    • 64

    Rain

Today 19 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 76 to 80. Light Winds becoming southwest 10 Mph this afternoon.

Tonight 19 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear in the evening. Becoming partly cloudy. Lows 44 to 48 in wind Sheltered Areas to 48 to 55 in warmer Locations. Light Winds.

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California Citrus State Historical Park Temperature Statistics

December Temperature

Riverside Municipal Airport (3.1 miles)

  • Lowest 2 December, 2025

    42.1 °F

  • Average December

    60.4 °F

  • Highest 10 December, 2025

    88 °F

Climate (2020–Present)

Riverside Municipal Airport (3.1 miles)

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  • Average Low 2020–2025

    54.6 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    79.8 °F
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