Star Valley Ranch Weather Forecast

    • 29
    • 47

    Partly Sunny

    • 23
    • 44

    Mostly Cloudy

    • 21
    • 45

    Mostly Sunny

    • 22
    • 48

    Partly Sunny

    • 30
    • 45

    Rain/Snow Likely

    • 31
    • 43

    Rain/Snow Likely

Today 11 Dec Star Valley

Partly cloudy. Highs in the lower 40s.

Tonight 11 Dec Star Valley

Mostly clear. Near steady temperature in the lower 30s.

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Star Valley Ranch Temperature Statistics

December Temperature

Afton WY (17.4 miles)

  • Lowest 1 December, 2025

    10.4 °F

  • Average December

    27.8 °F

  • Highest 6 December, 2025

    37.4 °F

Climate (2020–Present)

Afton WY (17.4 miles)

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  • Average Low 2020–2025

    25.7 °F

  • Average 2020–2025

    38.9 °F

  • Average High 2020–2025

    51.6 °F
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