Sullivan Lake Weather Forecast

    • 6
    • 40

    Clearing Late

    • 0
    • 14

    Mostly Sunny

    • 16
    • 31

    Snow

    • -2
    • 24

    Slight Chance Snow

    • -9
    • 7

    Cold

    • -5
    • 9

    Cold

Today 13 Jan Morrison

Mostly cloudy. Highs around 40. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

Tonight 13 Jan Morrison

Much Colder. Decreasing Clouds. Lows around 7. Northwest Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

January Temperature

Brainerd - Crow Wing County Airport (19.9 miles)

  • Lowest 2 January, 2026

    -5.1 °F

  • Average January

    18.7 °F

  • Highest 7 January, 2026

    37.9 °F

Climate (2021–Present)

Brainerd - Crow Wing County Airport (19.9 miles)

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  • Average Low 2021–2026

    34.5 °F

  • Average 2021–2026

    44.7 °F

  • Average High 2021–2026

    54.6 °F
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