Grand Haven State Park Weather Forecast

    • 66
    • 74

    Decreasing Clouds

    • 68
    • 71

    Mostly Sunny

    • 64
    • 72

    Rain Showers Likely

    • 59
    • 70

    Partly Sunny

    • 62
    • 73

    Partly Sunny

    • 65
    • 73

    Chance Rain Showers

Today 16 Aug Ottawa

Mostly cloudy with a chance of Showers and a slight chance of Thunderstorms. Highs in the lower 80s. West Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of rain 40 percent.

Tonight 16 Aug Ottawa

Partly cloudy. Lows in the lower 60s. Northwest Winds 5 to 10 Mph with Gusts to around 30 Mph becoming north after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Haven State Park Temperature Statistics

August Temperature

Muskegon, Muskegon County Airport (7.5 miles)

  • Lowest 3 August, 2026

    59.6 °F

  • Average August

    72.5 °F

  • Highest 2 August, 2026

    85.6 °F

Climate (2021–2026)

Muskegon, Muskegon County Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    60 °F
Get WillyWeather+ to remove ads