Tonseth Lake Weather Forecast

    • 54
    • 67

    Mostly Cloudy

    • 48
    • 66

    Mostly Cloudy

    • 45
    • 63

    Partly Sunny

    • 46
    • 65

    Mostly Sunny

    • 51
    • 66

    Partly Sunny

    • 54
    • 67

    Partly Sunny

    • 57
    • 72

    Partly Sunny

Today 19 Sep West Otter Tail

Mostly cloudy. Highs in the mid 60s. Northeast Winds around 10 Mph.

Tonight 19 Sep West Otter Tail

Mostly cloudy. Lows in the mid 50s. Northeast Winds 5 to 15 Mph.

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Tonseth Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (13.7 miles)

  • Lowest 13 September, 2026

    44.6 °F

  • Average September

    66.9 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (13.7 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    53.6 °F
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