Granite Mountains HP Weather Forecast

    • 47
    • 59

    Mostly Sunny

    • 47
    • 61

    Mostly Sunny

    • 46
    • 60

    Mostly Sunny

    • 47
    • 60

    Partly Sunny

    • 47
    • 63

    Partly Sunny

    • 47
    • 58

    Partly Sunny

Today 15 Dec Western Mojave Desert

Sunny. Highs around 70. Northwest Winds up to 10 Mph.

Tonight 15 Dec Western Mojave Desert

Mostly clear. Lows 46 to 49. Northwest Winds up to 10 Mph.

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Granite Mountains HP Temperature Statistics

December Temperature

Fort Irwin/Barstow, Bicycle Lake Army Airfield (11.2 miles)

  • Lowest 5 December, 2025

    33.6 °F

  • Average December

    49.8 °F

  • Highest 11 December, 2025

    71.8 °F

Climate (2020–Present)

Fort Irwin/Barstow, Bicycle Lake Army Airfield (11.2 miles)

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  • Average Low 2020–2025

    53.1 °F

  • Average 2020–2025

    66.8 °F

  • Average High 2020–2025

    79.2 °F
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