Boysen State Park Weather Forecast

    • 24
    • 48

    Mostly Sunny

    • 19
    • 49

    Mostly Sunny

    • 16
    • 37

    Partly Sunny

    • 18
    • 42

    Mostly Sunny

    • 17
    • 45

    Mostly Sunny

    • 18
    • 42

    Partly Sunny

Today 14 Jan Wind River Basin

Sunny. Highs around 50.

Tonight 14 Jan Wind River Basin

Mostly clear. Lows in the upper 20s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Boysen State Park Temperature Statistics

January Temperature

Riverton Regional Airport (21.7 miles)

  • Lowest 10 January, 2026

    12 °F

  • Average January

    34.2 °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

    58.8 °F
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