Green Valley Lake Weather Forecast

    • 49
    • 66

    Sunny

    • 50
    • 68

    Mostly Sunny

    • 49
    • 67

    Mostly Sunny

    • 51
    • 67

    Mostly Sunny

    • 56
    • 71

    Sunny

    • 59
    • 76

    Mostly Sunny

Today 23 Jul San Bernardino County Mountains

Sunny. Highs 66 to 76 above 6000 feet to 72 to 82 below 6000 feet. Areas of Winds southwest 10 to 20 Mph. Gusts to 25 Mph this afternoon.

Tonight 23 Jul San Bernardino County Mountains

Clear, Colder. Lows 41 to 51 above 6000 feet to 49 to 59 below 6000 feet. Areas of Winds southwest 10 to 20 Mph. Gusts to 25 Mph in the evening.

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Green Valley Lake Temperature Statistics

July Temperature

Big Bear City Airport (12.4 miles)

  • Lowest 1 July, 2025

    41 °F

  • Average July

    65.9 °F

  • Highest 13 July, 2025

    84.2 °F

Climate (2020–Present)

Big Bear City Airport (12.4 miles)

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  • Average Low 2020–2025

    34.3 °F

  • Average 2020–2025

    49.5 °F

  • Average High 2020–2025

    60.1 °F
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