Old Tom Mountain Weather Forecast

    • 57
    • 76

    Slight Chance Thunderstorms

    • 58
    • 78

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

Today 22 Jul Marsh and Arbon Highlands

Sunny. A slight chance of Showers and Thunderstorms in the afternoon. Highs 77 to 87.

Tonight 22 Jul Marsh and Arbon Highlands

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows 51 to 61.

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Old Tom Mountain Temperature Statistics

July Temperature

Pocatello, Pocatello Regional Airport (23.6 miles)

  • Lowest 7 July, 2025

    45.6 °F

  • Average July

    74.3 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (23.6 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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