Rigby-Jefferson County Airport Weather Forecast

    • 42
    • 76

    Mostly Sunny

    • 47
    • 79

    Mostly Sunny

    • 49
    • 79

    Partly Sunny

    • 48
    • 77

    Sunny

    • 46
    • 76

    Sunny

    • 47
    • 76

    Mostly Sunny

Today 3 Oct Upper Snake River Plain

Partly cloudy. Breezy. Lows 44 to 54. Highs 66 to 73.

Tonight 3 Oct Upper Snake River Plain

Mostly clear. Lows 40 to 50. Light and variable Winds. Becoming northeast up to 10 Mph after midnight.

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Rigby-Jefferson County Airport Temperature Statistics

October Temperature

Idaho Falls Regional Airport (10.6 miles)

  • Lowest 1 October, 2026

    45 °F

  • Average October

    58.3 °F

  • Highest 1 October, 2026

    73 °F

Climate (2021–2026)

Idaho Falls Regional Airport (10.6 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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