Decorah Weather Forecast
- 34
- 56
Increasing Clouds
- 34
- 53
Mostly Cloudy
- 32
- 51
Mostly Cloudy
- 31
- 48
Mostly Cloudy
- 38
- 53
Partly Sunny
- 34
- 55
Mostly Sunny
Today 29 Oct Winneshiek
Mostly sunny. Highs in the mid 50s. Northeast Winds 10 to 15 Mph.
Tonight 29 Oct Winneshiek
Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 30s. North Winds around 5 Mph.
Decorah Temperature Statistics
October Temperature
Decorah (2.5 miles)
Lowest 24 October, 2025
28.4 °FAverage October
55.8 °FHighest 3 October, 2025
87.8 °F
Climate (2020–Present)
Decorah (2.5 miles)
Average Low 2020–2025
39.5 °FAverage 2020–2025
48.2 °FAverage High 2020–2025
56.7 °F