Jamestown Weather Forecast

    • 45
    • 69

    Sunny

    • 49
    • 66

    Sunny

    • 53
    • 72

    Mostly Sunny

    • 49
    • 71

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 50
    • 68

    Mostly Sunny

    • 57
    • 72

    Mostly Sunny

Today 4 Oct Grant

Partly cloudy. Lows in the upper 50s. Highs in the mid 70s.

Tonight 4 Oct Grant

Mostly clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Jamestown Temperature Statistics

October Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 2 October, 2026

    44.1 °F

  • Average October

    55 °F

  • Highest 2 October, 2026

    65.3 °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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