Arapahoe Weather Forecast

    • 28
    • 51

    Partly Sunny

    • 28
    • 56

    Partly Sunny

    • 29
    • 53

    Partly Sunny

    • 25
    • 53

    Partly Sunny

    • 24
    • 51

    Partly Sunny

    • 28
    • 51

    Partly Sunny

    • 32
    • 54

    Partly Sunny

Today 10 Dec Wind River Basin

Partly cloudy and breezy. Highs around 50. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 10 Dec Wind River Basin

Partly cloudy and breezy. Lows in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph.

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Arapahoe Temperature Statistics

December Temperature

Riverton Regional Airport (6.8 miles)

  • Lowest 1 December, 2025

    3 °F

  • Average December

    29.6 °F

  • Highest 8 December, 2025

    46.9 °F

Climate (2020–Present)

Riverton Regional Airport (6.8 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    45.7 °F

  • Average High 2020–2025

    58.4 °F
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