Monona Weather Forecast
- 59
- 68
Rain Showers
- 56
- 71
Rain Showers Likely
- 54
- 65
Chance Rain Showers
- 50
- 60
Chance Rain Showers
- 48
- 61
Partly Sunny
- 52
- 65
Partly Sunny
Today 18 Sep Clayton
A chance of Showers in the Morning, then Showers likely with a chance of Thunderstorms in the afternoon. Highs around 70. East Winds 10 to 15 Mph. Chance of rain 70 percent.
Tonight 18 Sep Clayton
A chance of Thunderstorms. Showers likely in the Evening, then Showers after midnight. Locally heavy rainfall possible after midnight. Lows around 60. East Winds 10 to 15 Mph. Chance of rain 100 percent.
Monona Temperature Statistics
September Temperature
Prairie Du Chien Municipal Airport (13.7 miles)
Lowest 14 September, 2026
47.3 °FAverage September
70.6 °FHighest 4 September, 2026
90.7 °F
Climate (2021–2026)
Prairie Du Chien Municipal Airport (13.7 miles)
Average Low 2021–2026
40.5 °FAverage 2021–2026
50 °FAverage High 2021–2026
59.5 °F