Portneuf River Slough Weather Forecast

    • 32
    • 47

    Mostly Sunny

    • 41
    • 55

    Mostly Cloudy

    • 39
    • 54

    Rain Likely

    • 41
    • 50

    Rain

    • 33
    • 44

    Rain/Snow

    • 31
    • 40

    Partly Sunny

    • 33
    • 45

    Partly Sunny

Today 28 Oct Marsh and Arbon Highlands

Sunny. Highs 43 to 53.

Tonight 28 Oct Marsh and Arbon Highlands

Mostly clear. Lows 27 to 37.

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Portneuf River Slough Temperature Statistics

October Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 25 October, 2026

    28 °F

  • Average October

    53.4 °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

    48.9 °F

  • Average High 2021–2026

    62.1 °F
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