Portneuf River Slough Weather Forecast

    • 59
    • 88

    Slight Chance Rain

    • 60
    • 87

    Mostly Sunny

    • 62
    • 90

    Mostly Sunny

    • 65
    • 96

    Mostly Sunny

    • 67
    • 97

    Hot

    • 66
    • 94

    Partly Sunny

Today 8 Jul Marsh and Arbon Highlands

Sunny. A chance of rain Showers and a slight chance of Thunderstorms in the afternoon. Highs 83 to 93.

Tonight 8 Jul Marsh and Arbon Highlands

Mostly cloudy with a slight chance of rain in the evening. Then partly cloudy after midnight. Lows 53 to 63.

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Portneuf River Slough Temperature Statistics

July Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 1 July, 2026

    41.6 °F

  • Average July

    68.5 °F

  • Highest 5 July, 2026

    95.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    61.8 °F
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