Sullivan Lake Weather Forecast

    • 70
    • 94

    Sunny

    • 70
    • 97

    Hot

    • 61
    • 93

    Mostly Sunny

    • 59
    • 85

    Mostly Cloudy

    • 57
    • 80

    Chance Thunderstorms

    • 57
    • 82

    Chance Rain Showers

Today 12 Jul Central St. Louis

Sunny, hot with Highs in the mid 90s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 12 Jul Central St. Louis

Mostly clear. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Real-Time

Sullivan Lake Temperature Statistics

July Temperature

Two Harbors (19.3 miles)

  • Lowest 6 July, 2026

    46.4 °F

  • Average July

    65.5 °F

  • Highest 2 July, 2026

    82.4 °F

Climate (2021–2026)

Two Harbors (19.3 miles)

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  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    41.3 °F

  • Average High 2021–2026

    50.4 °F
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