Opperman Lake Weather Forecast

    • 54
    • 70

    Chance Rain Showers

    • 55
    • 74

    Chance Rain Showers

    • 54
    • 63

    Rain Showers

    • 53
    • 68

    Mostly Cloudy

    • 52
    • 68

    Chance Rain Showers

    • 52
    • 66

    Mostly Cloudy

    • 52
    • 67

    Mostly Cloudy

Today 16 Sep West Otter Tail

Partly sunny. A slight chance of Showers. Highs 70 to 75.

Tonight 16 Sep West Otter Tail

Mostly cloudy. A chance of Showers this evening. Lows in the mid 50s. Southeast Winds up to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Opperman Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 13 September, 2026

    44.6 °F

  • Average September

    68.3 °F

  • Highest 3 September, 2026

    89.6 °F

Climate (2021–2026)

Fergus Falls Municipal Airport-Einar Mickel (4.3 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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