Jamestown Weather Forecast

    • 56
    • 76

    Becoming Sunny

    • 64
    • 81

    Chance Rain Showers

    • 74
    • 86

    Partly Sunny

    • 75
    • 91

    Partly Sunny

    • 74
    • 92

    Slight Chance Thunderstorms

    • 73
    • 92

    Mostly Sunny

Today 26 Jun Grant

Partly sunny. Highs in the mid 70s. East Winds 5 to 10 Mph.

Tonight 26 Jun Grant

Partly cloudy. Lows in the mid 50s. East Winds 5 to 10 Mph.

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Jamestown Temperature Statistics

June Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 15 June, 2026

    49.1 °F

  • Average June

    68.2 °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

    49.8 °F

  • Average High 2021–2026

    58.8 °F
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