Swanville Weather Forecast

    • 60
    • 89

    Mostly Sunny

    • 64
    • 90

    Partly Sunny

    • 64
    • 89

    Partly Sunny

    • 64
    • 86

    Slight Chance Thunderstorms

    • 64
    • 83

    Chance Rain Showers

    • 62
    • 84

    Chance Rain Showers

Today 18 Sep Jefferson

Sunny. Highs in the upper 80s. Light Winds.

Tonight 18 Sep Jefferson

Mostly clear. Lows around 60. Light Winds.

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Swanville Temperature Statistics

September Temperature

Madison Municipal Airport (6.8 miles)

  • Lowest 8 September, 2025

    46.4 °F

  • Average September

    65.5 °F

  • Highest 15 September, 2025

    89.6 °F

Climate (2020–Present)

Madison Municipal Airport (6.8 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    65.6 °F
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