Chesterfield Reservoir Weather Forecast

    • 32
    • 49

    Rain Likely

    • 29
    • 48

    Chance Rain/Snow

    • 28
    • 54

    Mostly Sunny

    • 30
    • 60

    Sunny

    • 32
    • 63

    Sunny

    • 33
    • 64

    Mostly Sunny

    • 35
    • 65

    Mostly Sunny

Today 12 Oct Blackfoot Mountains

Rain and a slight chance of snow in the morning. Then a chance of rain in the afternoon. No snow accumulation. Highs 43 to 53.

Tonight 12 Oct Blackfoot Mountains

Cloudy with a chance of rain. Lows 29 to 39.

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Chesterfield Reservoir Temperature Statistics

October Temperature

Pocatello, Pocatello Regional Airport (30.4 miles)

  • Lowest 4 October, 2026

    36.6 °F

  • Average October

    62 °F

  • Highest 5 October, 2026

    88.6 °F

Climate (2021–2026)

Pocatello, Pocatello Regional Airport (30.4 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    62 °F
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