Jamestown Weather Forecast

    • 32
    • 53

    Becoming Sunny

    • 39
    • 55

    Sunny

    • 41
    • 62

    Sunny

    • 43
    • 64

    Partly Sunny

    • 46
    • 67

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

Today 16 Oct Grant

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature around 50. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 16 Oct Grant

Mostly clear. Widespread frost after midnight. Colder with Lows around 30. Northwest Winds 5 to 10 Mph.

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Jamestown Temperature Statistics

October Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 5 October, 2026

    43.7 °F

  • Average October

    61 °F

  • Highest 12 October, 2026

    85.1 °F

Climate (2021–2026)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.7 °F
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