Pentwater Weather Forecast

    • 43
    • 62

    Partly Sunny

    • 46
    • 63

    Partly Sunny

    • 53
    • 63

    Mostly Cloudy

    • 49
    • 62

    Mostly Cloudy

    • 43
    • 58

    Mostly Cloudy

    • 43
    • 55

    Slight Chance Rain Showers

Today 22 Oct Oceana

Partly sunny in the morning then clearing. Areas of fog in the morning. Highs in the lower 60s near lake Michigan in the upper 60s inland. Light Winds.

Tonight 22 Oct Oceana

Partly cloudy. Lows in the lower 40s. Light Winds becoming east 10 Mph after midnight.

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Pentwater Temperature Statistics

October Temperature

Ludington, Mason County Airport (12.4 miles)

  • Lowest 17 October, 2026

    30.2 °F

  • Average October

    56.9 °F

  • Highest 10 October, 2026

    78.8 °F

Climate (2021–2026)

Ludington, Mason County Airport (12.4 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    56.4 °F
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