Portneuf River Slough Weather Forecast

    • 34
    • 50

    Mostly Sunny

    • 33
    • 56

    Mostly Sunny

    • 38
    • 59

    Sunny

    • 40
    • 64

    Mostly Sunny

    • 41
    • 64

    Mostly Sunny

    • 42
    • 63

    Chance Rain

Today 14 Oct Marsh and Arbon Highlands

Partly sunny with a chance of rain. Highs 50 to 59.

Tonight 14 Oct Marsh and Arbon Highlands

Mostly clear. Lows 29 to 39.

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Portneuf River Slough Temperature Statistics

October Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 12 October, 2026

    33.1 °F

  • Average October

    58.6 °F

  • Highest 5 October, 2026

    88.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    62.1 °F
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