Middle Reservoir Weather Forecast

    • 54
    • 84

    Mostly Sunny

    • 56
    • 87

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

    • 57
    • 87

    Chance Rain Showers

    • 49
    • 81

    Breezy

    • 51
    • 80

    Mostly Sunny

    • 53
    • 82

    Partly Sunny

Today 3 Sep Wind River Basin

Mostly sunny and breezy. Highs around 80. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 3 Sep Wind River Basin

Mostly clear and breezy. Lows in the upper 50s. South Winds 15 to 20 Mph with Gusts up to 30 Mph.

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Middle Reservoir Temperature Statistics

September Temperature

Riverton Regional Airport (18.6 miles)

  • Lowest 1 September, 2026

    61 °F

  • Average September

    70.2 °F

  • Highest 1 September, 2026

    81 °F

Climate (2021–2026)

Riverton Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    59.6 °F
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