Dumont Lake County Park Weather Forecast

    • 58
    • 73

    Increasing Clouds

    • 62
    • 69

    Rain Showers Likely

    • 51
    • 70

    Rain Showers

    • 44
    • 64

    Slight Chance Rain Showers

    • 46
    • 64

    Slight Chance Rain Showers

    • 42
    • 63

    Partly Sunny

Today 29 Sep Allegan

Mostly sunny. Patchy fog in the morning. Highs in the upper 60s near lake Michigan in the lower 70s inland. Light Winds.

Tonight 29 Sep Allegan

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. Light Winds becoming south 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dumont Lake County Park Temperature Statistics

September Temperature

Holland - West Michigan Regional Airport (16.2 miles)

  • Lowest 26 September, 2026

    41 °F

  • Average September

    66 °F

  • Highest 2 September, 2026

    90.6 °F

Climate (2021–2026)

Holland - West Michigan Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    59.8 °F
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