Green River Weather Forecast

    • 42
    • 66

    Isolated Thunderstorms

    • 40
    • 70

    Mostly Sunny

    • 47
    • 76

    Partly Sunny

    • 46
    • 74

    Partly Sunny

    • 44
    • 74

    Mostly Sunny

    • 44
    • 75

    Mostly Sunny

Today 17 Sep Rock Springs and Green River

Partly cloudy in the Morning, then clearing. Highs in the mid 60s. Northeast Winds around 10 Mph.

Tonight 17 Sep Rock Springs and Green River

Mostly clear. Lows in the lower 40s. East Winds around 10 Mph in the evening.

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Green River Temperature Statistics

September Temperature

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

  • Lowest 13 September, 2025

    37.9 °F

  • Average September

    62.9 °F

  • Highest 2 September, 2025

    84 °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

    57 °F
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