Sylvan Lake Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 52
    • 68

    Chance Rain Showers

    • 52
    • 70

    Rain Showers Likely

    • 52
    • 63

    Rain Showers Likely

    • 52
    • 66

    Mostly Cloudy

    • 49
    • 66

    Slight Chance Rain Showers

    • 49
    • 67

    Partly Sunny

Today 15 Sep South Cass

Sunny and not as cool. Near steady temperature in the upper 60s. Northwest Winds 10 to 15 Mph.

Tonight 15 Sep South Cass

Mostly clear. Cooler with Lows in the lower 40s. Northwest Winds 5 to 10 Mph this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Lake Temperature Statistics

September Temperature

Brainerd - Crow Wing County Airport (13 miles)

  • Lowest 13 September, 2026

    43 °F

  • Average September

    67.8 °F

  • Highest 3 September, 2026

    84.7 °F

Climate (2021–2026)

Brainerd - Crow Wing County Airport (13 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.6 °F
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