Lake Koshkonong Weather Forecast

    • 56
    • 68

    Rain Showers

    • 46
    • 61

    Chance Rain

    • 41
    • 55

    Chance Rain

    • 34
    • 51

    Mostly Cloudy

    • 34
    • 51

    Partly Sunny

    • 34
    • 53

    Partly Sunny

Today 3 Nov Jefferson

Slight chance of light Showers in the Morning, then light Showers in the late morning and afternoon. Isolated Thunderstorms in the afternoon. Highs in the upper 60s. South Winds 15 to 20 Mph. Chance of precipitation 90 percent.

Tonight 3 Nov Jefferson

Isolated Thunderstorms in the evening. Light rain Showers through the night. Isolated Thunderstorms after midnight. Lows in the upper 50s. South Winds 10 to 15 Mph. Chance of precipitation near 100 percent.

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Lake Koshkonong Temperature Statistics

November Temperature

Watertown (20.5 miles)

  • Lowest 1 November, 2026

    46.6 °F

  • Average November

    58.2 °F

  • Highest 1 November, 2026

    70.9 °F

Climate (2021–2026)

Watertown (20.5 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    44.9 °F

  • Average High 2021–2026

    54 °F
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