Sullivan Lake Weather Forecast

    • 36
    • 54

    Mostly Cloudy

    • 35
    • 55

    Chance Rain Showers

    • 34
    • 56

    Chance Rain Showers

    • 30
    • 52

    Sunny

    • 38
    • 60

    Mostly Sunny

    • 38
    • 65

    Partly Sunny

Today 13 Oct Morrison

Mostly cloudy. Highs in the lower 50s. Northwest Winds 5 to 10 Mph.

Tonight 13 Oct Morrison

Colder. Mostly cloudy. Lows in the mid 30s. Northwest Winds up to 10 Mph.

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  • Temperature Real-Time

Sullivan Lake Temperature Statistics

October Temperature

Brainerd - Crow Wing County Airport (19.9 miles)

  • Lowest 2 October, 2026

    33.7 °F

  • Average October

    56.4 °F

  • Highest 10 October, 2026

    89.1 °F

Climate (2021–2026)

Brainerd - Crow Wing County Airport (19.9 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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