Jamestown Weather Forecast

    • 64
    • 86

    Rain Showers

    • 64
    • 83

    Rain Showers

    • 64
    • 86

    Slight Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

    • 67
    • 85

    Rain Showers Likely

    • 69
    • 89

    Chance Thunderstorms

    • 71
    • 94

    Slight Chance Thunderstorms

Today 4 Jun Grant

Mostly sunny. Highs in the mid 80s. South Winds 10 to 15 Mph.

Tonight 4 Jun Grant

A chance of Thunderstorms. A chance of Showers this Evening, then Showers after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

June Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 2 June, 2026

    52 °F

  • Average June

    69 °F

  • Highest 2 June, 2026

    81.9 °F

Climate (2021–Present)

Platteville Municipal Airport (8.7 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.8 °F
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