Sylvan Weather Forecast

    • 53
    • 65

    Rain Showers

    • 54
    • 59

    Rain Showers

    • 55
    • 66

    Rain Showers Likely

    • 54
    • 62

    Rain Showers Likely

    • 53
    • 68

    Mostly Cloudy

    • 54
    • 67

    Rain Showers Likely

    • 47
    • 61

    Chance Rain Showers

Today 23 Sep South Cass

Mostly sunny. Near steady temperature in the mid 60s. Southeast Winds 10 to 15 Mph.

Tonight 23 Sep South Cass

Mostly cloudy. Showers likely with a slight chance of Thunderstorms after midnight. Not as cool with Lows in the lower 50s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sylvan Temperature Statistics

September Temperature

Brainerd - Crow Wing County Airport (13.7 miles)

  • Lowest 14 September, 2026

    40.6 °F

  • Average September

    63 °F

  • Highest 3 September, 2026

    84.7 °F

Climate (2021–2026)

Brainerd - Crow Wing County Airport (13.7 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.5 °F
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