Opperman Lake Weather Forecast

    • 48
    • 82

    Mostly Sunny

    • 47
    • 74

    Chance Rain Showers

    • 44
    • 66

    Rain Showers

    • 38
    • 57

    Rain Showers

    • 33
    • 50

    Breezy

    • 39
    • 59

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

Today 15 May West Otter Tail

Sunny. Highs 80 to 85. Breezy. West Winds around 20 Mph.

Tonight 15 May West Otter Tail

Mostly clear. Lows 45 to 50. West Winds 5 to 15 Mph. Gusts up to 25 Mph this evening.

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  • Temperature Real-Time

Opperman Lake Temperature Statistics

May Temperature

Fergus Falls Municipal Airport-Einar Mickel (4.3 miles)

  • Lowest 1 May, 2026

    26.6 °F

  • Average May

    50.4 °F

  • Highest 13 May, 2026

    75.2 °F

Climate (2021–Present)

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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