Simpson Airport Weather Forecast

    • 29
    • 52

    Slight Chance Rain Showers

    • 29
    • 54

    Mostly Sunny

    • 34
    • 61

    Sunny

    • 39
    • 65

    Sunny

    • 44
    • 70

    Mostly Sunny

    • 47
    • 70

    Rain Showers Likely

    • 37
    • 61

    Rain Showers Likely

Today 5 Oct Blackfoot Mountains

Mostly cloudy. A slight chance of rain Showers in the morning. Then a chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 45 to 54.

Tonight 5 Oct Blackfoot Mountains

Partly cloudy. A slight chance of rain Showers in the evening. Colder. Lows 23 to 33.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpson Airport Temperature Statistics

October Temperature

Afton WY (40.4 miles)

  • Lowest 2 October, 2025

    33.8 °F

  • Average October

    49.9 °F

  • Highest 2 October, 2025

    69.8 °F

Climate (2020–Present)

Afton WY (40.4 miles)

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  • Average Low 2020–2025

    25.4 °F

  • Average 2020–2025

    38.8 °F

  • Average High 2020–2025

    51.5 °F
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