Jamestown Weather Forecast

    • 42
    • 67

    Becoming Sunny

    • 55
    • 73

    Chance Rain Showers

    • 57
    • 80

    Chance Rain Showers

    • 56
    • 83

    Rain Showers Likely

    • 66
    • 81

    Rain Showers Likely

    • 60
    • 85

    Rain Showers Likely

    • 51
    • 74

    Chance Rain Showers

Today 13 May Grant

Mostly sunny. Cooler with Highs in the upper 60s. North Winds 10 to 15 Mph.

Tonight 13 May Grant

Clear. Lows in the lower 40s. Northeast Winds 5 to 10 Mph this Evening, becoming light and variable.

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  • Temperature Real-Time

Jamestown Temperature Statistics

May Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    52.3 °F

  • Highest 4 May, 2026

    80.8 °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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