Sullivan Lake Weather Forecast

    • 44
    • 65

    Partly Sunny

    • 49
    • 71

    Mostly Sunny

    • 28
    • 68

    Thunderstorms Likely

    • 23
    • 36

    Chance Snow Showers

    • 24
    • 42

    Mostly Sunny

    • 36
    • 53

    Mostly Sunny

Today 15 Apr Morrison

Partly sunny in the morning then clearing. Areas of fog in the morning. Highs in the upper 60s. Southeast Winds up to 5 Mph.

Tonight 15 Apr Morrison

Clear. Lows in the lower 40s. Southeast Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

April Temperature

Brainerd - Crow Wing County Airport (19.9 miles)

  • Lowest 7 April, 2026

    9 °F

  • Average April

    34.2 °F

  • Highest 12 April, 2026

    79 °F

Climate (2021–Present)

Brainerd - Crow Wing County Airport (19.9 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    54.6 °F
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