Poison Lake Weather Forecast

    • 60
    • 88

    Slight Chance Thunderstorms

    • 60
    • 77

    Rain Showers Likely

    • 57
    • 72

    Rain Showers Likely

    • 54
    • 69

    Chance Thunderstorms

    • 54
    • 70

    Slight Chance Thunderstorms

    • 56
    • 74

    Partly Sunny

Today 16 Sep Moody

Sunny. Highs in the upper 80s. South Winds 5 to 10 Mph.

Tonight 16 Sep Moody

Partly cloudy with a slight chance of Showers and Thunderstorms. Lows around 60. Southwest Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Poison Lake Temperature Statistics

September Temperature

Madison Municipal Airport (13 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    61.8 °F

  • Highest 13 September, 2025

    87.8 °F

Climate (2020–Present)

Madison Municipal Airport (13 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.3 °F

  • Average High 2020–2025

    57.6 °F
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