Etna Weather Forecast

    • 48
    • 90

    Chance Rain Showers

    • 46
    • 84

    Slight Chance Thunderstorms

    • 47
    • 85

    Slight Chance Thunderstorms

    • 46
    • 85

    Slight Chance Thunderstorms

    • 47
    • 87

    Mostly Sunny

    • 46
    • 88

    Mostly Sunny

    • 47
    • 89

    Mostly Sunny

Today 21 Jul Star Valley

Mostly sunny and breezy. Highs in the mid 80s. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 21 Jul Star Valley

Mostly clear this Evening, then partly cloudy with a chance of Showers after midnight. Lows in the upper 40s. South Winds 10 to 15 Mph. Chance of rain 30 percent.

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Etna Temperature Statistics

July Temperature

Afton WY (22.4 miles)

  • Lowest 7 July, 2025

    37.4 °F

  • Average July

    63.2 °F

  • Highest 1 July, 2025

    87.8 °F

Climate (2020–Present)

Afton WY (22.4 miles)

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  • Average Low 2020–2025

    25.2 °F

  • Average 2020–2025

    38.8 °F

  • Average High 2020–2025

    51.6 °F
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