Etna Weather Forecast

    • 43
    • 71

    Rain Showers

    • 36
    • 72

    Slight Chance Rain Showers

    • 35
    • 55

    Rain Showers

    • 34
    • 46

    Rain Showers

    • 31
    • 52

    Rain Showers Likely

    • 37
    • 59

    Chance Rain Showers

Today 11 May Star Valley

Mostly cloudy. Scattered Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Breezy with Highs around 70. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest 15 to 25 Mph with Gusts up to 35 Mph this afternoon. Chance of rain 40 percent.

Tonight 11 May Star Valley

Partly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Some Thunderstorms may produce gusty Winds in the evening. Breezy with Lows in the lower 40s. South Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

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Etna Temperature Statistics

May Temperature

Afton WY (22.4 miles)

  • Lowest 2 May, 2025

    28.4 °F

  • Average May

    46.1 °F

  • Highest 3 May, 2025

    69.8 °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

    51.5 °F
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