Grasse River Weather Forecast

    • 41
    • 62

    Chance Rain Showers

    • 42
    • 67

    Mostly Sunny

    • 46
    • 69

    Partly Sunny

    • 51
    • 74

    Sunny

    • 55
    • 79

    Partly Sunny

    • 55
    • 79

    Chance Rain Showers

    • 55
    • 76

    Chance Rain Showers

Today 31 May Southeastern St. Lawrence

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the lower 60s. West Winds around 10 Mph. Gusts up to 25 Mph this afternoon. Chance of rain 50 percent.

Tonight 31 May Southeastern St. Lawrence

Partly cloudy with a chance of Showers until Midnight, then mostly clear after midnight. Lows in the lower 40s. Light and variable Winds. Chance of rain 50 percent.

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Grasse River Temperature Statistics

May Temperature

Saranac Lake, Adirondack Regional Airport (34.8 miles)

  • Lowest 9 May, 2026

    20.6 °F

  • Average May

    49.3 °F

  • Highest 18 May, 2026

    86.6 °F

Climate (2021–Present)

Saranac Lake, Adirondack Regional Airport (34.8 miles)

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  • Average Low 2021–2026

    30.9 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    53.5 °F
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