Boysen State Park Weather Forecast

    • 15
    • 38

    Decreasing Clouds

    • 14
    • 42

    Mostly Sunny

    • 20
    • 42

    Partly Sunny

    • 20
    • 50

    Partly Sunny

    • 25
    • 47

    Mostly Cloudy

    • 25
    • 51

    Mostly Cloudy

Today 28 Jan Wind River Basin

Partly cloudy this Morning, then becoming cloudy. Highs around 40. South Winds around 10 Mph, becoming west this afternoon.

Tonight 28 Jan Wind River Basin

Cloudy with scattered snow Showers in the Evening, then partly cloudy after midnight. Cold with Lows around 20. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 30 percent.

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Boysen State Park Temperature Statistics

January Temperature

Riverton Regional Airport (21.7 miles)

  • Lowest 26 January, 2026

    -11 °F

  • Average January

    29.2 °F

  • Highest 13 January, 2026

    60.7 °F

Climate (2021–Present)

Riverton Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    58.8 °F
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