Louisburg Weather Forecast

    • 70
    • 90

    Slight Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

    • 61
    • 81

    Partly Sunny

    • 64
    • 81

    Partly Sunny

    • 70
    • 86

    Rain Showers Likely

    • 64
    • 86

    Slight Chance Thunderstorms

    • 59
    • 78

    Slight Chance Rain Showers

Today 4 Sep Grant

Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 4 Sep Grant

Partly cloudy. A chance of Showers and Thunderstorms this evening. Patchy fog after midnight. Lows in the upper 60s. Northwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 50 percent. Heat index Values in the mid 90s early this evening.

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Louisburg Temperature Statistics

September Temperature

Platteville Municipal Airport (9.3 miles)

  • Lowest 2 September, 2026

    70.7 °F

  • Average September

    82 °F

  • Highest 1 September, 2026

    90.9 °F

Climate (2021–2026)

Platteville Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.8 °F
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