Muscupiabe Weather Forecast

    • 52
    • 67

    Rain

    • 50
    • 65

    Rain

    • 48
    • 63

    Rain Showers

    • 41
    • 60

    Rain Showers

    • 42
    • 61

    Partly Sunny

    • 44
    • 64

    Partly Sunny

Today 23 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Cloudy this morning. Becoming mostly cloudy. Patchy fog this morning. A slight chance of Showers. Highs 63 to 68. Areas of Winds south to 10 Mph. Chance of measurable precipitation 20 percent.

Tonight 23 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Cloudy. A chance of Showers in the Evening, then rain and a slight chance of Thunderstorms overnight. Lows 47 to 51 in wind Sheltered Areas to 50 to 55 in warmer Locations. Areas of Winds southeast 10 to 20 Mph. Gusts to 25 Mph. Becoming 35 Mph 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

    58.2 °F

  • Highest 10 December, 2025

    87.8 °F

Climate (2020–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2020–2025

    54.1 °F

  • Average 2020–2025

    63.1 °F

  • Average High 2020–2025

    80.3 °F
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