Edgemont Weather Forecast

    • 53
    • 81

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 51
    • 76

    Partly Sunny

    • 51
    • 76

    Partly Sunny

Today 12 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 79 to 84. Light Winds becoming west to 10 Mph this afternoon.

Tonight 12 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy this evening. Becoming mostly clear. Lows 47 to 51 in wind Sheltered Areas to 51 to 58 in warmer Locations. Light Winds.

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Edgemont Temperature Statistics

December Temperature

Riverside / March Air Force Base (1.9 miles)

  • Lowest 5 December, 2025

    38.7 °F

  • Average December

    62.6 °F

  • Highest 10 December, 2025

    84 °F

Climate (2020–Present)

Riverside / March Air Force Base (1.9 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    65.2 °F

  • Average High 2020–2025

    78.3 °F
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