Crystal Lake Weather Forecast

    • 49
    • 64

    Mostly Sunny

    • 60
    • 73

    Chance Thunderstorms

    • 56
    • 74

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 64
    • 75

    Slight Chance Rain Showers

    • 64
    • 79

    Slight Chance Thunderstorms

    • 62
    • 78

    Slight Chance Rain Showers

Today 7 Sep West Otter Tail

Sunny. Highs in the mid 60s. Southwest Winds around 5 Mph.

Tonight 7 Sep West Otter Tail

Mostly clear. Lows in the mid 40s. Southeast Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crystal Lake Temperature Statistics

September Temperature

Fergus Falls Municipal Airport-Einar Mickel (24.2 miles)

  • Lowest 5 September, 2025

    41 °F

  • Average September

    58.1 °F

  • Highest 1 September, 2025

    78.8 °F

Climate (2020–Present)

Fergus Falls Municipal Airport-Einar Mickel (24.2 miles)

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  • Average Low 2020–2025

    34.4 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    53.3 °F
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