Jamestown Weather Forecast

    • 63
    • 84

    Mostly Sunny

    • 64
    • 84

    Rain Showers

    • 61
    • 73

    Rain Showers

    • 61
    • 79

    Slight Chance Thunderstorms

    • 59
    • 81

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 29 Jul Grant

Mostly sunny. Highs in the mid 80s. Light Winds.

Tonight 29 Jul Grant

Partly cloudy. Patchy smoke in the evening. Patchy fog after midnight. Lows in the lower 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Jamestown Temperature Statistics

July Temperature

Platteville Municipal Airport (8.7 miles)

  • Lowest 23 July, 2026

    51.4 °F
  • Average July

    76.6 °F
  • Highest 27 July, 2026

    94.3 °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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