Boysen State Park Weather Forecast

    • 23
    • 47

    Mostly Cloudy

    • 15
    • 38

    Chance Snow Showers

    • 13
    • 33

    Mostly Sunny

    • 16
    • 38

    Mostly Sunny

    • 18
    • 41

    Partly Sunny

    • 21
    • 44

    Partly Sunny

Today 7 Jan Wind River Basin

Partly cloudy this Morning, then becoming mostly cloudy. Breezy with Highs in the mid 40s. Southwest Winds 20 to 25 Mph with Gusts up to 45 Mph.

Tonight 7 Jan Wind River Basin

Mostly cloudy in the Evening, then becoming partly cloudy. Breezy with Lows around 20. West Winds 15 to 20 Mph with Gusts up to 35 Mph, Diminishing to around 10 Mph after midnight.

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Boysen State Park Temperature Statistics

January Temperature

Riverton Regional Airport (21.7 miles)

  • Lowest 1 January, 2026

    24.1 °F

  • Average January

    37.4 °F

  • Highest 4 January, 2026

    52 °F

Climate (2021–Present)

Riverton Regional Airport (21.7 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    45.9 °F

  • Average High 2021–2026

    58.7 °F
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