Afton Weather Forecast

    • 9
    • 27

    Mostly Sunny

    • 7
    • 30

    Partly Sunny

    • 9
    • 33

    Partly Sunny

    • 11
    • 35

    Mostly Cloudy

    • 10
    • 31

    Partly Sunny

    • 9
    • 30

    Chance Snow Showers

Today 19 Jan Star Valley

Widespread fog this morning. Mostly sunny. Highs in the upper 20s.

Tonight 19 Jan Star Valley

Mostly clear. Patchy fog. Cold with Lows around 10 above.

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Afton Temperature Statistics

January Temperature

Afton WY (0.6 miles)

  • Lowest 17 January, 2026

    1.4 °F

  • Average January

    24.5 °F

  • Highest 4 January, 2026

    39.2 °F

Climate (2021–Present)

Afton WY (0.6 miles)

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  • Average Low 2021–2026

    26 °F

  • Average 2021–2026

    39.2 °F

  • Average High 2021–2026

    51.8 °F
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