Sylvan Lake Weather Forecast

    • 61
    • 79

    Mostly Cloudy

    • 61
    • 79

    Partly Sunny

    • 66
    • 84

    Chance Thunderstorms

    • 65
    • 86

    Partly Sunny

    • 64
    • 85

    Chance Thunderstorms

    • 59
    • 80

    Partly Sunny

    • 57
    • 75

    Chance Rain Showers

Today 1 Sep South Cass

Partly sunny. Near steady temperature in the upper 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 1 Sep South Cass

Mostly cloudy. Lows in the upper 50s. Northwest Winds around 5 Mph this Evening, becoming light and variable.

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Sylvan Lake Temperature Statistics

September Temperature

Brainerd - Crow Wing County Airport (13 miles)

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  • Average September

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Climate (2021–2026)

Brainerd - Crow Wing County Airport (13 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    54.5 °F
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