Jamestown Weather Forecast

    • 42
    • 67

    Mostly Sunny

    • 44
    • 68

    Sunny

    • 48
    • 69

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 52
    • 68

    Partly Sunny

    • 53
    • 68

    Mostly Cloudy

    • 48
    • 68

    Partly Sunny

Today 19 Oct Grant

Partly cloudy. Lows in the upper 40s. Highs in the lower 60s.

Tonight 19 Oct Grant

Partly cloudy. Patchy fog after midnight. Lows in the lower 40s. Southeast Winds around 5 Mph this Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

October Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 17 October, 2026

    32 °F

  • Average October

    58.8 °F

  • Highest 12 October, 2026

    85.1 °F

Climate (2021–2026)

Platteville Municipal Airport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.7 °F
Get WillyWeather+ to remove ads