Poison Lake Weather Forecast

    • 21
    • 27

    Mostly Cloudy

    • 14
    • 37

    Chance Rain

    • 8
    • 20

    Chance Snow

    • 1
    • 20

    Chance Snow

    • -8
    • 9

    Cold

    • -9
    • 4

    Chance Snow

    • 3
    • 13

    Mostly Cloudy

Today 8 Dec Moody

Mostly cloudy. Patchy dense fog. Not as cool with Highs in the lower 30s. South Winds 10 to 15 Mph.

Tonight 8 Dec Moody

Patchy dense fog this evening. Mostly cloudy. Not as cool with Lows around 20. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Poison Lake Temperature Statistics

December Temperature

Madison Municipal Airport (13 miles)

  • Lowest 3 December, 2025

    -9.4 °F

  • Average December

    15.9 °F

  • Highest 5 December, 2025

    33.8 °F

Climate (2020–Present)

Madison Municipal Airport (13 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    47.6 °F

  • Average High 2020–2025

    57.9 °F
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