St Lawrence State Park Weather Forecast

    • 52
    • 73

    Chance Rain Showers

    • 47
    • 70

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

    • 58
    • 81

    Rain Showers Likely

    • 44
    • 75

    Chance Rain Showers

    • 41
    • 60

    Partly Sunny

Today 16 May Northern St. Lawrence

Partly sunny. A chance of Showers this afternoon. Warmer with Highs in the mid 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 16 May Northern St. Lawrence

Partly cloudy with a chance of Showers until Midnight, then mostly clear after midnight. Lows in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

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St Lawrence State Park Temperature Statistics

May Temperature

Massena, Massena International-Richards Field (4.3 miles)

  • Lowest 9 May, 2026

    30.7 °F

  • Average May

    48.5 °F

  • Highest 5 May, 2026

    72.6 °F

Climate (2021–Present)

Massena, Massena International-Richards Field (4.3 miles)

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  • Average Low 2021–2026

    36.1 °F

  • Average 2021–2026

    46.1 °F

  • Average High 2021–2026

    55.9 °F
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