Arapahoe Reservoir Weather Forecast

    • 21
    • 35

    Increasing Clouds

    • 23
    • 38

    Partly Sunny

    • 31
    • 43

    Partly Sunny

    • 29
    • 48

    Partly Sunny

    • 28
    • 47

    Mostly Sunny

    • 19
    • 44

    Partly Sunny

Today 10 Jan Wind River Basin

Mostly sunny. Highs around 40. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 Jan Wind River Basin

Mostly clear in the Evening, then becoming partly cloudy. Cold with Lows around 20. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arapahoe Reservoir Temperature Statistics

January Temperature

Riverton Regional Airport (29.8 miles)

  • Lowest 1 January, 2026

    24.1 °F

  • Average January

    37.3 °F

  • Highest 4 January, 2026

    52 °F

Climate (2021–Present)

Riverton Regional Airport (29.8 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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