Sweet Marsh State Wildlife Management Area Weather Forecast
- 48
- 70
Mostly Cloudy
- 50
- 61
Mostly Cloudy
- 54
- 69
Slight Chance Rain Showers
- 55
- 73
Rain Showers Likely
- 53
- 71
Rain Showers Likely
- 55
- 72
Rain Showers Likely
- 52
- 67
Rain Showers Likely
Today 25 Oct Bremer
Mostly cloudy. A slight chance of Showers in the morning. Highs in the mid 60s. Chance of rain 20 percent.
Tonight 25 Oct Bremer
Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.
Sweet Marsh State Wildlife Management Area Temperature Statistics
October Temperature
Oelwein Municipal Airport (16.2 miles)
Lowest 17 October, 2026
30.2 °FAverage October
58.1 °FHighest 12 October, 2026
87.8 °F
Climate (2021–2026)
Oelwein Municipal Airport (16.2 miles)
Average Low 2021–2026
38.5 °FAverage 2021–2026
48.2 °FAverage High 2021–2026
57.9 °F