Lake Allegan Weather Forecast

    • 46
    • 56

    Rain Showers

    • 39
    • 58

    Rain Showers Likely

    • 39
    • 55

    Partly Sunny

    • 43
    • 62

    Mostly Cloudy

    • 45
    • 65

    Mostly Cloudy

    • 47
    • 66

    Chance Rain Showers

Today 21 May Allegan

Rain Showers and a slight chance of Thunderstorms. Highs in the mid 50s. Northeast Winds 5 to 15 Mph with Gusts to around 30 Mph. Chance of rain 90 percent.

Tonight 21 May Allegan

Rain Showers and a slight chance of Thunderstorms through about 2 Am, then rain Showers overnight. Lows in the mid 40s. East Winds 10 to 20 Mph. Gusts up to 30 Mph overnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Allegan Temperature Statistics

May Temperature

Holland - West Michigan Regional Airport (16.2 miles)

  • Lowest 9 May, 2025

    34.6 °F

  • Average May

    58.7 °F

  • Highest 15 May, 2025

    87.7 °F

Climate (2020–Present)

Holland - West Michigan Regional Airport (16.2 miles)

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  • Average Low 2020–2025

    43.2 °F

  • Average 2020–2025

    51.5 °F

  • Average High 2020–2025

    59.7 °F
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