Tonseth Lake Weather Forecast
- 64
- 85
Partly Sunny
- 67
- 86
Chance Thunderstorms
- 67
- 83
Rain Showers Likely
- 66
- 80
Rain Showers Likely
- 60
- 82
Slight Chance Rain Showers
- 55
- 77
Partly Sunny
Today 4 Sep West Otter Tail
Patchy fog this morning. Sunny. Highs in the mid 80s. Northeast Winds up to 10 Mph.
Tonight 4 Sep West Otter Tail
Mostly clear. Lows in the mid 60s. East Winds 5 to 15 Mph.
Tonseth Lake Temperature Statistics
September Temperature
Fergus Falls Municipal Airport-Einar Mickel (13.7 miles)
Lowest 1 September, 2026
53.6 °FAverage September
68.6 °FHighest 1 September, 2026
82.4 °F
Climate (2021–2026)
Fergus Falls Municipal Airport-Einar Mickel (13.7 miles)
Average Low 2021–2026
34.5 °FAverage 2021–2026
44.1 °FAverage High 2021–2026
53.6 °F