Chesterfield Reservoir Weather Forecast

    • 57
    • 87

    Increasing Clouds

    • 53
    • 87

    Slight Chance Thunderstorms

    • 53
    • 82

    Partly Sunny

    • 52
    • 84

    Mostly Sunny

    • 52
    • 84

    Mostly Sunny

    • 52
    • 86

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

Today 20 Jul Blackfoot Mountains

Sunny. Highs 80 to 90.

Tonight 20 Jul Blackfoot Mountains

Partly cloudy. Lows 53 to 63.

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Chesterfield Reservoir Temperature Statistics

July Temperature

Pocatello, Pocatello Regional Airport (30.4 miles)

  • Lowest 7 July, 2025

    45.6 °F

  • Average July

    74.1 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Pocatello, Pocatello Regional Airport (30.4 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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