Bass Lake Weather Forecast

    • 62
    • 85

    Slight Chance Rain Showers

    • 62
    • 81

    Rain Showers Likely

    • 61
    • 78

    Chance Thunderstorms

    • 62
    • 77

    Chance Thunderstorms

    • 60
    • 77

    Chance Rain Showers

    • 56
    • 76

    Slight Chance Thunderstorms

Today 18 Sep Dane

Partly sunny. Isolated light Showers late in the afternoon. Highs in the mid 80s. Southeast Winds around 5 Mph. Chance of Showers 20 percent.

Tonight 18 Sep Dane

Partly cloudy in the evening then becoming mostly cloudy. Slight chance of Thunderstorms and isolated light Showers. Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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Bass Lake Temperature Statistics

September Temperature

Madison, Dane County Regional-Truax Field (18 miles)

  • Lowest 8 September, 2025

    42.1 °F

  • Average September

    63 °F

  • Highest 15 September, 2025

    84 °F

Climate (2020–Present)

Madison, Dane County Regional-Truax Field (18 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.7 °F
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