Muscupiabe Weather Forecast

    • 56
    • 84

    Sunny

    • 54
    • 84

    Sunny

    • 52
    • 81

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

    • 50
    • 76

    Mostly Sunny

Today 10 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny. Highs 81 to 86. Areas of Winds north 10 to 15 Mph becoming west in the afternoon. Gusts to 30 Mph.

Tonight 10 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 37 to 42 in wind Sheltered Areas to 43 to 53 in warmer Locations. Areas of Winds east to 10 Mph becoming north overnight.

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Muscupiabe Temperature Statistics

December Temperature

San Bernardino Intl. Airport (4.3 miles)

  • Lowest 4 December, 2025

    40.3 °F

  • Average December

    52.3 °F

  • Highest 7 December, 2025

    80.6 °F

Climate (2020–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    80.2 °F
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