Jamestown Weather Forecast

    • 60
    • 77

    Chance Rain Showers

    • 58
    • 79

    Chance Rain Showers

    • 57
    • 77

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

    • 65
    • 80

    Chance Rain Showers

    • 71
    • 86

    Chance Thunderstorms

Today 23 Jun Grant

Mostly sunny. Highs in the upper 70s. Light Winds.

Tonight 23 Jun Grant

Mostly cloudy. A chance of Showers and Thunderstorms after midnight. Lows around 60. South Winds 5 to 10 Mph. Chance of rain 50 percent.

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Jamestown Temperature Statistics

June Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 15 June, 2026

    49.1 °F

  • Average June

    68.5 °F

  • Highest 6 June, 2026

    86 °F

Climate (2021–2026)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.8 °F
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