Sullivan Lake Weather Forecast

    • 42
    • 51

    Rain Showers Likely

    • 48
    • 54

    Rain Showers Likely

    • 56
    • 66

    Chance Rain Showers

    • 45
    • 67

    Chance Rain Showers

    • 38
    • 56

    Mostly Cloudy

    • 36
    • 54

    Partly Sunny

Today 14 Oct Morrison

Mostly cloudy. Slight chance of rain Showers early in the morning. Chance of rain Showers early in the Afternoon, then rain Showers likely late in the afternoon. Highs in the lower 50s. East Winds up to 10 Mph. Chance of Showers 70 percent.

Tonight 14 Oct Morrison

Cloudy. Rain Showers likely in the evening. Lows in the lower 40s. East Winds around 5 Mph. Chance of Showers 70 percent.

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Sullivan Lake Temperature Statistics

October Temperature

Brainerd - Crow Wing County Airport (19.9 miles)

  • Lowest 8 October, 2025

    24.1 °F

  • Average October

    59 °F

  • Highest 4 October, 2025

    86 °F

Climate (2020–Present)

Brainerd - Crow Wing County Airport (19.9 miles)

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  • Average Low 2020–2025

    34.6 °F

  • Average 2020–2025

    44.7 °F

  • Average High 2020–2025

    54.6 °F
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