Opperman Lake Weather Forecast

    • 57
    • 81

    Rain Showers

    • 53
    • 76

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 61
    • 82

    Partly Sunny

    • 57
    • 82

    Slight Chance Rain Showers

    • 57
    • 79

    Partly Sunny

Today 17 Aug West Otter Tail

Mostly sunny. A chance of Showers and Thunderstorms this afternoon. Highs 80 to 85. Southwest Winds 5 to 15 Mph. Chance of rain 50 percent.

Tonight 17 Aug West Otter Tail

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms in the evening. Lows in the mid 50s. West Winds around 5 Mph shifting to the north after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Opperman Lake Temperature Statistics

August Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 4 August, 2026

    51.8 °F

  • Average August

    71 °F

  • Highest 12 August, 2026

    86 °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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