Poison Lake Weather Forecast

    • 38
    • 47

    Rain Showers

    • 40
    • 45

    Rain Showers

    • 44
    • 57

    Mostly Cloudy

    • 41
    • 64

    Chance Rain Showers

    • 45
    • 63

    Mostly Cloudy

    • 48
    • 66

    Rain Showers Likely

    • 45
    • 62

    Chance Rain Showers

Today 25 Oct Moody

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 50s.

Tonight 25 Oct Moody

Showers. Near steady temperature in the lower 40s. Northeast Winds 10 to 15 Mph. Chance of rain near 100 percent.

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Poison Lake Temperature Statistics

October Temperature

Madison Municipal Airport (13 miles)

  • Lowest 16 October, 2026

    37.4 °F

  • Average October

    56.7 °F

  • Highest 10 October, 2026

    87.8 °F

Climate (2021–2026)

Madison Municipal Airport (13 miles)

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  • Average Low 2021–2026

    37.6 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.3 °F
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