Idaho Falls Regional Airport Weather Forecast

    • 45
    • 81

    Increasing Clouds

    • 47
    • 82

    Partly Sunny

    • 45
    • 80

    Sunny

    • 44
    • 78

    Sunny

    • 44
    • 76

    Sunny

    • 47
    • 77

    Partly Sunny

Today 4 Oct Upper Snake River Plain

Partly sunny with a slight chance of rain. Highs 54 to 61.

Tonight 4 Oct Upper Snake River Plain

Mostly clear. Lows 44 to 54. Light and variable Winds.

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Idaho Falls Regional Airport Temperature Statistics

October Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 2 October, 2026

    37.9 °F

  • Average October

    58.6 °F

  • Highest 2 October, 2026

    81 °F

Climate (2021–2026)

Idaho Falls Regional Airport (0 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    60 °F
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