Afton Weather Forecast

    • 26
    • 34

    Snow Showers

    • 20
    • 36

    Snow Showers

    • 25
    • 35

    Snow Showers

    • 22
    • 38

    Chance Snow Showers

    • 32
    • 42

    Rain/Snow Likely

    • 25
    • 43

    Rain/Snow Likely

Today 5 Dec Star Valley

Snow Showers. New snow accumulation of 1 to 4 Inches. Highs in the lower 30s. Southwest Winds around 10 Mph in the afternoon. Chance of snow 90 percent.

Tonight 5 Dec Star Valley

Snow Showers. Snow accumulation of 1 to 3 Inches. Near steady temperature in the mid 20s. Chance of snow 80 percent.

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Afton Temperature Statistics

December Temperature

Afton WY (0.6 miles)

  • Lowest 1 December, 2025

    10.4 °F

  • Average December

    24 °F

  • Highest 1 December, 2025

    28.4 °F

Climate (2020–Present)

Afton WY (0.6 miles)

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  • Average Low 2020–2025

    25.6 °F

  • Average 2020–2025

    38.9 °F

  • Average High 2020–2025

    51.6 °F
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