Idaho Falls Regional Airport Weather Forecast

    • 31
    • 55

    Mostly Sunny

    • 33
    • 53

    Mostly Sunny

    • 31
    • 60

    Breezy

    • 27
    • 52

    Mostly Sunny

    • 31
    • 57

    Partly Sunny

    • 30
    • 57

    Mostly Sunny

    • 32
    • 58

    Mostly Sunny

Today 17 Oct Upper Snake River Plain

Partly sunny in the morning then clearing. Highs 48 to 56. South Winds up to 10 Mph. Shifting to southwest in the afternoon.

Tonight 17 Oct Upper Snake River Plain

Mostly clear. Lows 27 to 34. Southwest Winds 10 to 15 Mph. Shifting to west after midnight.

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Idaho Falls Regional Airport Temperature Statistics

October Temperature

Idaho Falls Regional Airport (0 miles)

  • Lowest 13 October, 2025

    28 °F

  • Average October

    50.8 °F

  • Highest 9 October, 2025

    78.1 °F

Climate (2020–Present)

Idaho Falls Regional Airport (0 miles)

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  • Average Low 2020–2025

    33.1 °F

  • Average 2020–2025

    46.1 °F

  • Average High 2020–2025

    58.9 °F
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