Beaumont Weather Forecast

    • 51
    • 72

    Mostly Sunny

    • 52
    • 72

    Mostly Cloudy

    • 50
    • 63

    Rain Showers

    • 50
    • 57

    Rain Showers

    • 48
    • 58

    Rain Showers

    • 45
    • 57

    Rain Showers Likely

Today 21 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Highs 72 to 77. Light Winds.

Tonight 21 Dec San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy. Lows 43 to 48 in wind Sheltered Areas to 48 to 55 in warmer Locations. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Beaumont Temperature Statistics

December Temperature

Riverside / March Air Force Base (15.5 miles)

  • Lowest 5 December, 2025

    38.7 °F

  • Average December

    65.5 °F

  • Highest 10 December, 2025

    84 °F

Climate (2020–Present)

Riverside / March Air Force Base (15.5 miles)

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  • Average Low 2020–2025

    52.3 °F

  • Average 2020–2025

    65.3 °F

  • Average High 2020–2025

    78.4 °F
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