Sy Lake Weather Forecast

    • 61
    • 75

    Increasing Clouds

    • 71
    • 79

    Slight Chance Thunderstorms

    • 75
    • 90

    Partly Sunny

    • 68
    • 89

    Rain Showers Likely

    • 65
    • 82

    Partly Sunny

    • 68
    • 83

    Slight Chance Thunderstorms

    • 69
    • 87

    Mostly Sunny

Today 21 Jul Manitowoc

Mostly sunny. Temperatures in the lower to mid 70s. East wind 5 to 10 Mph.

Tonight 21 Jul Manitowoc

Partly cloudy. Nearly steady temperature in the lower 60s. Light and variable wind becoming southeast 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sy Lake Temperature Statistics

July Temperature

Sheboygan County Memorial Airport (13 miles)

  • Lowest 18 July, 2025

    49.6 °F

  • Average July

    70.5 °F

  • Highest 5 July, 2025

    90.6 °F

Climate (2020–Present)

Sheboygan County Memorial Airport (13 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    57.2 °F
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