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.
Poison Lake Temperature Statistics
September Temperature
Madison Municipal Airport (13 miles)
Lowest 7 September, 2025
35.6 °FAverage September
61.8 °FHighest 13 September, 2025
87.8 °F
Climate (2020–Present)
Madison Municipal Airport (13 miles)
Average Low 2020–2025
37.1 °FAverage 2020–2025
47.3 °FAverage High 2020–2025
57.6 °F