Sweet Lake Weather Forecast

    • 60
    • 81

    Chance Rain Showers

    • 59
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 58
    • 87

    Mostly Sunny

    • 61
    • 88

    Partly Sunny

    • 61
    • 88

    Partly Sunny

Today 13 Sep St. Joseph

Partly cloudy in the Morning, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the afternoon. Highs around 80. South Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 13 Sep St. Joseph

Mostly clear. Near steady temperature in the upper 50s. South Winds around 5 Mph.

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Sweet Lake Temperature Statistics

September Temperature

Sturgis, Kirsch Municipal Airport (4.3 miles)

  • Lowest 8 September, 2025

    41 °F

  • Average September

    59.8 °F

  • Highest 2 September, 2025

    78.8 °F

Climate (2020–Present)

Sturgis, Kirsch Municipal Airport (4.3 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.6 °F
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