Pentwater Weather Forecast

    • 62
    • 76

    Increasing Clouds

    • 60
    • 77

    Slight Chance Thunderstorms

    • 54
    • 71

    Chance Rain Showers

    • 62
    • 72

    Rain Showers Likely

    • 58
    • 72

    Chance Rain Showers

    • 57
    • 69

    Chance Rain Showers

Today 11 Sep Oceana

Sunny. Highs in the upper 70s. South Winds around 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 11 Sep Oceana

Mostly clear. Lows in the upper 50s. South Winds around 10 Mph. Gusts up to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Pentwater Temperature Statistics

September Temperature

Ludington, Mason County Airport (12.4 miles)

  • Lowest 6 September, 2026

    53.6 °F

  • Average September

    70.6 °F

  • Highest 1 September, 2026

    84.2 °F

Climate (2021–2026)

Ludington, Mason County Airport (12.4 miles)

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  • Average Low 2021–2026

    39.8 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    56.5 °F
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