Jamestown Weather Forecast

    • 55
    • 81

    Rain Showers Likely

    • 51
    • 70

    Mostly Sunny

    • 55
    • 75

    Slight Chance Thunderstorms

    • 54
    • 74

    Rain Showers Likely

    • 57
    • 74

    Rain Showers

    • 54
    • 74

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

Today 13 Jun Grant

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 13 Jun Grant

Mostly cloudy with scattered Showers and Thunderstorms this Evening, then partly cloudy with isolated Showers after midnight. Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Graph Plots Open in Graphs
  • 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

    71.6 °F
  • Highest 6 June, 2026

    86 °F

Climate (2021–Present)

Platteville Municipal Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    40.7 °F
  • Average 2021–2026

    49.9 °F
  • Average High 2021–2026

    58.8 °F
Get WillyWeather+ to remove ads