Island Park Weather Forecast

    • 28
    • 58

    Mostly Sunny

    • 34
    • 62

    Partly Sunny

    • 29
    • 60

    Partly Sunny

    • 32
    • 61

    Partly Sunny

    • 32
    • 63

    Mostly Cloudy

    • 27
    • 51

    Chance Rain/Snow

Today 21 Oct Rock Springs and Green River

Sunny. Highs in the mid 50s. West Winds around 10 Mph this afternoon.

Tonight 21 Oct Rock Springs and Green River

Mostly clear. Lows in the upper 20s.

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Island Park Temperature Statistics

October Temperature

Rock Springs, Rock Springs-Sweetwater County Airport (21.1 miles)

  • Lowest 7 October, 2025

    30 °F

  • Average October

    49.5 °F

  • Highest 3 October, 2025

    77 °F

Climate (2020–Present)

Rock Springs, Rock Springs-Sweetwater County Airport (21.1 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    56.9 °F
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