Arapahoe Reservoir Weather Forecast

    • 47
    • 65

    Mostly Cloudy

    • 39
    • 68

    Partly Sunny

    • 29
    • 50

    Chance Rain/Snow

    • 32
    • 49

    Partly Sunny

    • 36
    • 55

    Partly Sunny

    • 36
    • 59

    Chance Rain Showers

Today 10 Oct Wind River Basin

Mostly cloudy and breezy. Highs around 70. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 10 Oct Wind River Basin

Partly cloudy and breezy. Lows around 50. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Arapahoe Reservoir Temperature Statistics

October Temperature

Riverton Regional Airport (29.8 miles)

  • Lowest 7 October, 2025

    30.9 °F

  • Average October

    51.3 °F

  • Highest 3 October, 2025

    80.1 °F

Climate (2020–Present)

Riverton Regional Airport (29.8 miles)

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  • Average Low 2020–2025

    32.7 °F

  • Average 2020–2025

    45.4 °F

  • Average High 2020–2025

    58.3 °F
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