Kettle Moraine State Forest Weather Forecast

    • 69
    • 88

    Rain Showers

    • 68
    • 88

    Chance Thunderstorms

    • 63
    • 82

    Partly Sunny

    • 62
    • 80

    Partly Sunny

    • 64
    • 80

    Mostly Cloudy

    • 69
    • 82

    Chance Rain Showers

Today 3 Sep Jefferson

Warm and humid. Partly sunny. Numerous light Showers and Thunderstorms late in the Morning, then chance of light Showers and Thunderstorms early in the afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 3 Sep Jefferson

Partly cloudy with chance of light Showers and Thunderstorms in the Evening, then Showers and chance of Thunderstorms in the late evening and overnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.

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Kettle Moraine State Forest Temperature Statistics

September Temperature

Burlington Municipal Airport (17.4 miles)

  • Lowest 1 September, 2026

    73 °F

  • Average September

    83.3 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Burlington Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.8 °F
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