Granite Mountains HP Weather Forecast

    • 65
    • 81

    Sunny

    • 66
    • 83

    Sunny

    • 66
    • 84

    Sunny

    • 67
    • 85

    Mostly Sunny

    • 66
    • 82

    Rain Showers

    • 65
    • 78

    Rain Showers

Today 14 Sep Western Mojave Desert

Sunny. Highs 91 to 94. Southwest Winds up to 10 Mph.

Tonight 14 Sep Western Mojave Desert

Clear. Lows 66 to 69. Southwest Winds up to 10 Mph.

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Granite Mountains HP Temperature Statistics

September Temperature

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

  • Lowest 11 September, 2025

    60.4 °F

  • Average September

    81.6 °F

  • Highest 4 September, 2025

    97.3 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    66.8 °F

  • Average High 2020–2025

    79.3 °F
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