Grasse River Weather Forecast

    • 55
    • 74

    Thunderstorms

    • 51
    • 74

    Partly Sunny

    • 51
    • 75

    Rain Showers Likely

    • 46
    • 69

    Rain Showers Likely

    • 45
    • 67

    Mostly Sunny

    • 47
    • 69

    Partly Sunny

Today 10 Aug Southeastern St. Lawrence

Mostly cloudy. Patchy dense fog in the morning. A chance of Showers in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs in the mid 70s. Light and variable Winds, becoming southwest around 10 Mph in the afternoon. Chance of rain 90 percent.

Tonight 10 Aug Southeastern St. Lawrence

Showers and Thunderstorms until Midnight, then Showers likely with a chance of Thunderstorms after midnight. Lows in the mid 50s. Light and variable Winds. Chance of rain near 100 percent.

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Grasse River Temperature Statistics

August Temperature

Saranac Lake, Adirondack Regional Airport (34.8 miles)

  • Lowest 5 August, 2026

    46.7 °F

  • Average August

    66.3 °F

  • Highest 5 August, 2026

    83.6 °F

Climate (2021–2026)

Saranac Lake, Adirondack Regional Airport (34.8 miles)

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  • Average Low 2021–2026

    30.8 °F

  • Average 2021–2026

    42.6 °F

  • Average High 2021–2026

    53.6 °F
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