Jamestown Weather Forecast

    • 70
    • 84

    Chance Thunderstorms

    • 68
    • 81

    Rain Showers Likely

    • 67
    • 82

    Rain Showers Likely

    • 63
    • 78

    Rain Showers Likely

    • 62
    • 76

    Rain Showers Likely

    • 65
    • 78

    Rain Showers Likely

    • 62
    • 77

    Slight Chance Rain Showers

Today 10 Aug Grant

Mostly sunny. Highs in the mid 80s. East Winds around 5 Mph.

Tonight 10 Aug Grant

Mostly cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the upper 60s. East Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jamestown Temperature Statistics

August Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 3 August, 2026

    59.9 °F

  • Average August

    72.8 °F

  • Highest 4 August, 2026

    82.8 °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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