Ossian Weather Forecast
- 54
- 74
Rain Showers
- 60
- 77
Mostly Sunny
- 53
- 79
Chance Thunderstorms
- 52
- 69
Partly Sunny
- 54
- 71
Partly Sunny
- 55
- 72
Slight Chance Thunderstorms
Today 11 Jun Winneshiek
A chance of Showers and Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Locally heavy rainfall possible in the afternoon. Cooler with Highs in the mid 70s. Temperature falling into the upper 60s in the afternoon. Southeast Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph in the afternoon. Chance of rain 100 percent.
Tonight 11 Jun Winneshiek
Partly cloudy in the Evening, then becoming clear. Less humid with Lows in the mid 50s. West Winds 10 to 15 Mph.
Ossian Temperature Statistics
June Temperature
Decorah (9.3 miles)
Lowest 2 June, 2026
53.6 °FAverage June
70 °FHighest 4 June, 2026
82.4 °F
Climate (2021–Present)
Decorah (9.3 miles)
Average Low 2021–2026
39.5 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
56.8 °F