Simpson Airport Weather Forecast

    • 35
    • 50

    Rain

    • 33
    • 48

    Chance Rain

    • 30
    • 54

    Mostly Sunny

    • 32
    • 58

    Sunny

    • 34
    • 61

    Sunny

    • 34
    • 62

    Mostly Sunny

    • 36
    • 63

    Mostly Sunny

Today 12 Oct Blackfoot Mountains

Rain and a slight chance of snow in the morning. Then a chance of rain in the afternoon. No snow accumulation. Highs 43 to 53.

Tonight 12 Oct Blackfoot Mountains

Cloudy with a chance of rain. Lows 29 to 39.

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Simpson Airport Temperature Statistics

October Temperature

Afton WY (40.4 miles)

  • Lowest 2 October, 2026

    32 °F

  • Average October

    55.7 °F

  • Highest 5 October, 2026

    78.8 °F

Climate (2021–2026)

Afton WY (40.4 miles)

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  • Average Low 2021–2026

    26.4 °F

  • Average 2021–2026

    39.6 °F

  • Average High 2021–2026

    52.2 °F
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