Portneuf River Slough Weather Forecast

    • 52
    • 80

    Mostly Sunny

    • 55
    • 83

    Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 93

    Mostly Sunny

    • 60
    • 94

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 58
    • 86

    Sunny

Today 5 Jul Marsh and Arbon Highlands

Sunny. Highs 75 to 85.

Tonight 5 Jul Marsh and Arbon Highlands

Mostly clear. Lows 46 to 56.

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Portneuf River Slough Temperature Statistics

July Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 1 July, 2025

    55.9 °F

  • Average July

    75.4 °F

  • Highest 1 July, 2025

    91.9 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (16.2 miles)

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  • Average Low 2020–2025

    34.8 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    61.2 °F
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