Alpine Weather Forecast

    • 40
    • 65

    Rain Showers

    • 38
    • 67

    Mostly Sunny

    • 42
    • 74

    Partly Sunny

    • 43
    • 73

    Partly Sunny

    • 41
    • 67

    Slight Chance Thunderstorms

    • 41
    • 69

    Chance Rain Showers

    • 35
    • 62

    Slight Chance Rain Showers

Today 22 Sep Star Valley

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 60s. Chance of rain 30 percent.

Tonight 22 Sep Star Valley

Mostly cloudy with Showers with a chance of Thunderstorms in the Evening, then partly cloudy with a chance of Showers after midnight. Lows in the upper 30s. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Alpine Temperature Statistics

September Temperature

Afton WY (31.1 miles)

  • Lowest 15 September, 2026

    28.4 °F

  • Average September

    55.5 °F

  • Highest 5 September, 2026

    78.8 °F

Climate (2021–2026)

Afton WY (31.1 miles)

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  • Average Low 2021–2026

    26.4 °F

  • Average 2021–2026

    39.5 °F

  • Average High 2021–2026

    52.2 °F
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