Castle Park Weather Forecast

    • 55
    • 65

    Rain Showers Likely

    • 55
    • 66

    Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 62
    • 77

    Rain Showers Likely

    • 51
    • 71

    Rain Showers Likely

    • 47
    • 58

    Partly Sunny

Today 15 May Allegan

Mostly sunny. Highs in the lower 70s. South Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 15 May Allegan

Clear in the Evening, then rain Showers likely and a chance of Thunderstorms after midnight. Lows in the upper 50s. South Winds 5 to 15 Mph with Gusts to around 25 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Castle Park Temperature Statistics

May Temperature

Holland - West Michigan Regional Airport (5 miles)

  • Lowest 12 May, 2026

    31.6 °F

  • Average May

    48.5 °F

  • Highest 4 May, 2026

    74.6 °F

Climate (2021–Present)

Holland - West Michigan Regional Airport (5 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.9 °F
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