Jamestown Weather Forecast

    • 44
    • 71

    Increasing Clouds

    • 55
    • 71

    Rain Showers Likely

    • 47
    • 68

    Rain Showers

    • 42
    • 59

    Mostly Cloudy

    • 40
    • 60

    Partly Sunny

    • 37
    • 57

    Partly Sunny

    • 36
    • 57

    Partly Sunny

Today 25 Apr Grant

Mostly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph.

Tonight 25 Apr Grant

Mostly cloudy. Lows in the mid 40s. East Winds 5 to 10 Mph.

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  • Temperature Real-Time

Jamestown Temperature Statistics

April Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 7 April, 2026

    23.5 °F

  • Average April

    48.4 °F

  • Highest 17 April, 2026

    78.1 °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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