Jamestown Weather Forecast

    • 23
    • 44

    Decreasing Clouds

    • 35
    • 42

    Partly Sunny

    • 49
    • 64

    Rain Showers

    • 39
    • 61

    Chance Rain Showers

    • 42
    • 58

    Chance Rain Showers

    • 51
    • 62

    Chance Rain Showers

Today 6 Apr Grant

Mostly cloudy this Morning, then partly sunny with a chance of Sprinkles this afternoon. Colder with Highs in the lower 40s. Northwest Winds 10 to 15 Mph.

Tonight 6 Apr Grant

Partly cloudy. Colder with Lows in the lower 20s. North Winds 10 to 15 Mph.

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Jamestown Temperature Statistics

April Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 2 April, 2026

    34.3 °F

  • Average April

    39.3 °F

  • Highest 1 April, 2026

    47.5 °F

Climate (2021–Present)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.8 °F

  • Average High 2021–2026

    58.7 °F
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