Etna Weather Forecast

    • -8
    • 15

    Partly Sunny

    • -13
    • 16

    Mostly Cloudy

    • -10
    • 11

    Partly Sunny

    • -1
    • 22

    Mostly Cloudy

    • -4
    • 22

    Partly Sunny

    • 3
    • 22

    Mostly Cloudy

Today 18 Jan Star Valley

Partly cloudy. Cold with Highs around 15.

Tonight 18 Jan Star Valley

Partly cloudy. Cold with Lows 4 below to 10 below zero.

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Etna Temperature Statistics

January Temperature

Afton WY (22.4 miles)

  • Lowest 8 January, 2025

    -9.4 °F

  • Average January

    19.7 °F

  • Highest 3 January, 2025

    37.4 °F

Climate (2020–Present)

Afton WY (22.4 miles)

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  • Average Low 2020–2025

    25.3 °F

  • Average 2020–2025

    38.7 °F

  • Average High 2020–2025

    51.4 °F
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