Lake Michigan Beach Weather Forecast

    • 59
    • 83

    Mostly Sunny

    • 60
    • 81

    Slight Chance Thunderstorms

    • 61
    • 79

    Chance Rain Showers

    • 61
    • 77

    Rain Showers Likely

    • 60
    • 74

    Chance Thunderstorms

    • 58
    • 73

    Chance Rain Showers

Today 18 Sep Northern Berrien

Sunny. Near steady temperature in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Northern Berrien

Clear. Lows in the upper 50s. North Winds around 5 Mph, becoming east after midnight.

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Lake Michigan Beach Temperature Statistics

September Temperature

Southwest Michigan Regional Airport (6.2 miles)

  • Lowest 8 September, 2025

    39.9 °F

  • Average September

    62.1 °F

  • Highest 14 September, 2025

    84 °F

Climate (2020–Present)

Southwest Michigan Regional Airport (6.2 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    60.6 °F
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