Fort Gratiot County Park Weather Forecast

    • 59
    • 79

    Areas Smoke

    • 65
    • 78

    Areas Smoke

    • 66
    • 80

    Partly Sunny

    • 65
    • 82

    Mostly Sunny

    • 66
    • 82

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 70
    • 86

    Mostly Sunny

Today 3 Aug St. Clair

Mostly sunny. Near steady temperature in the upper 70s. Southeast Winds up to 5 Mph, becoming east in the late afternoon.

Tonight 3 Aug St. Clair

Clear. Areas of smoke. Lows in the upper 50s. Southeast Winds up to 5 Mph, becoming Southwest, Then, becoming north early in the morning.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Gratiot County Park Temperature Statistics

August Temperature

St Clair County International Airport (11.8 miles)

  • Lowest 1 August, 2025

    51.8 °F

  • Average August

    64 °F

  • Highest 1 August, 2025

    75.2 °F

Climate (2020–Present)

St Clair County International Airport (11.8 miles)

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

  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    49.6 °F

  • Average High 2020–2025

    58.6 °F
Get WillyWeather+ to remove ads