Sullivan Lake Weather Forecast

    • 16
    • 41

    Mostly Sunny

    • 25
    • 40

    Snow

    • 25
    • 36

    Snow

    • 21
    • 41

    Mostly Cloudy

    • 22
    • 46

    Partly Sunny

    • 20
    • 45

    Partly Sunny

Today 31 Mar Central St. Louis

Sunny. Near steady temperature in the upper 30s. Northwest Winds 10 to 15 Mph.

Tonight 31 Mar Central St. Louis

Clear in the Evening, then becoming partly cloudy. Lows around 15. North Winds 5 to 10 Mph, becoming east after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan Lake Temperature Statistics

March Temperature

Two Harbors (19.3 miles)

  • Lowest 1 March, 2025

    1.4 °F

  • Average March

    31.8 °F

  • Highest 10 March, 2025

    62.6 °F

Climate (2020–Present)

Two Harbors (19.3 miles)

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  • Average Low 2020–2025

    32.4 °F

  • Average 2020–2025

    42.2 °F

  • Average High 2020–2025

    51.2 °F
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