Porcupine Lake Weather Forecast

    • 46
    • 81

    Becoming Sunny

    • 49
    • 84

    Mostly Sunny

    • 48
    • 85

    Mostly Sunny

    • 47
    • 86

    Partly Sunny

    • 48
    • 87

    Mostly Sunny

    • 49
    • 90

    Mostly Sunny

Today 23 Jul Centennial Mountains/Island Park

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 75 to 83.

Tonight 23 Jul Centennial Mountains/Island Park

Mostly clear. Lows 45 to 55.

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Porcupine Lake Temperature Statistics

July Temperature

Driggs, Driggs-Reed Memorial Airport (23 miles)

  • Lowest 7 July, 2025

    39.9 °F

  • Average July

    66.2 °F

  • Highest 9 July, 2025

    91 °F

Climate (2020–Present)

Driggs, Driggs-Reed Memorial Airport (23 miles)

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  • Average Low 2020–2025

    28.6 °F

  • Average 2020–2025

    41 °F

  • Average High 2020–2025

    53.2 °F
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