Jenks Lake Weather Forecast

    • 52
    • 74

    Sunny

    • 54
    • 75

    Sunny

    • 55
    • 76

    Mostly Sunny

    • 55
    • 76

    Slight Chance Thunderstorms

    • 53
    • 72

    Chance Thunderstorms

    • 51
    • 70

    Chance Thunderstorms

Today 14 Sep San Bernardino County Mountains

Sunny. Highs 66 to 76 above 6000 feet to 76 to 84 below 6000 feet. Areas of Winds south 10 Mph.

Tonight 14 Sep San Bernardino County Mountains

Clear. Lows 43 to 53 above 6000 feet to 54 to 64 below 6000 feet. Areas of Winds southwest to 10 Mph in the evening becoming light.

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Jenks Lake Temperature Statistics

September Temperature

Big Bear City Airport (6.8 miles)

  • Lowest 11 September, 2025

    35.6 °F

  • Average September

    58.6 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Big Bear City Airport (6.8 miles)

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  • Average Low 2020–2025

    34.1 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    60.1 °F
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