Island Lake Weather Forecast

    • 46
    • 70

    Rain Showers

    • 45
    • 68

    Rain Showers

    • 47
    • 71

    Rain Showers

    • 46
    • 72

    Rain Showers

    • 43
    • 69

    Chance Thunderstorms

    • 43
    • 66

    Chance Thunderstorms

Today 15 Jul Absaroka Mountains

Mostly sunny in the Morning, then partly cloudy with Showers with Thunderstorms likely in the afternoon. Highs in the mid 70s. Southeast Winds around 10 Mph. Chance of rain 80 percent.

Tonight 15 Jul Absaroka Mountains

Mostly clear. Lows in the lower 50s.

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Island Lake Temperature Statistics

July Temperature

Powell Municipal Airport (36.7 miles)

  • Lowest 1 July, 2026

    51.8 °F

  • Average July

    73.1 °F

  • Highest 12 July, 2026

    105.8 °F

Climate (2021–2026)

Powell Municipal Airport (36.7 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    45.8 °F

  • Average High 2021–2026

    57.2 °F
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