St Lawrence State Park Weather Forecast

    • 48
    • 76

    Mostly Sunny

    • 50
    • 77

    Mostly Sunny

    • 54
    • 79

    Partly Sunny

    • 49
    • 83

    Chance Rain Showers

    • 38
    • 65

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

Today 15 Sep Northern St. Lawrence

Sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 15 Sep Northern St. Lawrence

Clear. Lows in the upper 40s. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Lawrence State Park Temperature Statistics

September Temperature

Massena, Massena International-Richards Field (4.3 miles)

  • Lowest 12 September, 2025

    37.9 °F

  • Average September

    59.9 °F

  • Highest 4 September, 2025

    84 °F

Climate (2020–Present)

Massena, Massena International-Richards Field (4.3 miles)

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

  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    56.3 °F
Get WillyWeather+ to remove ads