Jamestown Weather Forecast

    • 62
    • 85

    Becoming Sunny

    • 64
    • 86

    Sunny

    • 67
    • 88

    Sunny

    • 69
    • 88

    Mostly Sunny

    • 69
    • 89

    Mostly Sunny

    • 68
    • 87

    Slight Chance Thunderstorms

Today 11 Jul Grant

Mostly sunny. Highs in the mid 80s. Northeast Winds 5 to 10 Mph.

Tonight 11 Jul Grant

Mostly clear. Lows in the lower 60s. Light Winds.

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Jamestown Temperature Statistics

July Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 7 July, 2026

    61.2 °F

  • Average July

    77.3 °F

  • Highest 1 July, 2026

    89.8 °F

Climate (2021–2026)

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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