Boysen State Park Weather Forecast

    • -5
    • 17

    Mostly Sunny

    • 4
    • 27

    Partly Sunny

    • 15
    • 30

    Mostly Cloudy

    • 19
    • 40

    Chance Rain/Snow

    • 15
    • 38

    Chance Rain/Snow

    • 11
    • 30

    Slight Chance Snow Showers

Today 29 Jan Wind River Basin

Mostly sunny. Highs in the mid 20s. Southeast Winds around 10 Mph this morning.

Tonight 29 Jan Wind River Basin

Mostly clear. Cold with Lows 3 below to 11 above zero.

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Boysen State Park Temperature Statistics

January Temperature

Riverton Regional Airport (21.7 miles)

  • Lowest 20 January, 2025

    -18.1 °F

  • Average January

    13.2 °F

  • Highest 11 January, 2025

    36.6 °F

Climate (2020–Present)

Riverton Regional Airport (21.7 miles)

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  • Average Low 2020–2025

    32.5 °F

  • Average 2020–2025

    45.1 °F

  • Average High 2020–2025

    57.9 °F
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