Opperman Lake Weather Forecast

    • 53
    • 64

    Rain Showers

    • 55
    • 64

    Chance Rain Showers

    • 56
    • 66

    Rain Showers Likely

    • 56
    • 67

    Chance Rain Showers

    • 54
    • 70

    Chance Rain Showers

    • 51
    • 68

    Rain Showers Likely

Today 23 Sep West Otter Tail

Partly sunny. Highs in the mid 60s. Breezy. Southeast Winds 15 to 25 Mph.

Tonight 23 Sep West Otter Tail

A slight chance of Thunderstorms. Showers. Lows in the mid 50s. Breezy. Southeast Winds 15 to 25 Mph. Chance of rain near 100 percent.

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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 13 September, 2026

    44.6 °F

  • Average September

    65.9 °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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