Opperman Lake Weather Forecast

    • 49
    • 67

    Increasing Clouds

    • 52
    • 64

    Rain Showers

    • 45
    • 65

    Mostly Sunny

    • 50
    • 66

    Chance Rain Showers

    • 51
    • 70

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 13 Sep West Otter Tail

Sunny. Highs in the mid 60s. Northwest Winds up to 10 Mph.

Tonight 13 Sep West Otter Tail

Mostly clear. Lows 45 to 50. East Winds 5 to 15 Mph. Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Opperman Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 10 September, 2026

    50 °F

  • Average September

    71.6 °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

    44.2 °F

  • Average High 2021–2026

    53.6 °F
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