Big Sandy Reservoir Weather Forecast

    • 56
    • 89

    Mostly Sunny

    • 51
    • 85

    Partly Sunny

    • 49
    • 84

    Partly Sunny

    • 49
    • 83

    Partly Sunny

    • 48
    • 79

    Chance Thunderstorms

    • 48
    • 76

    Chance Thunderstorms

Today 20 Aug Upper Green River Basin

Mostly sunny. Highs around 90. Southwest Winds 10 to 15 Mph in the afternoon.

Tonight 20 Aug Upper Green River Basin

Clear. Lows in the upper 40s.

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Big Sandy Reservoir Temperature Statistics

August Temperature

South Pass (37.3 miles)

  • Lowest

  • Average August

  • Highest

Climate (2020–Present)

South Pass (37.3 miles)

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  • Average Low 2020–2024

    29.6 °F
  • Average 2020–2024

    37.2 °F
  • Average High 2020–2024

    44.7 °F
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