Otter Tail Lake Weather Forecast
- 49
- 63
Mostly Sunny
- 60
- 74
Chance Thunderstorms
- 56
- 76
Slight Chance Thunderstorms
- 57
- 76
Mostly Sunny
- 63
- 77
Partly Sunny
- 64
- 81
Slight Chance Thunderstorms
- 62
- 80
Slight Chance Rain Showers
Today 7 Sep East Otter Tail
Sunny. Highs in the mid 60s. Southwest Winds around 5 Mph.
Tonight 7 Sep East Otter Tail
Mostly clear. Lows in the mid 40s. South Winds 5 to 15 Mph.
Otter Tail Lake Temperature Statistics
September Temperature
Wadena Municipal Airport (21.1 miles)
Lowest 4 September, 2025
35.6 °FAverage September
55.1 °FHighest 1 September, 2025
78.8 °F
Climate (2020–Present)
Wadena Municipal Airport (21.1 miles)
Average Low 2020–2025
32 °FAverage 2020–2025
42.2 °FAverage High 2020–2025
51.9 °F