Grass Lake Weather Forecast

    • 63
    • 76

    Chance Thunderstorms

    • 64
    • 79

    Rain Showers

    • 60
    • 78

    Chance Rain Showers

    • 56
    • 76

    Partly Sunny

    • 53
    • 72

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

Today 1 Sep Southwestern St. Lawrence

Mostly cloudy. Showers likely this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 70 percent.

Tonight 1 Sep Southwestern St. Lawrence

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms until Midnight, then mostly cloudy after midnight. Lows in the mid 60s. Light and variable Winds. Chance of rain 50 percent.

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Grass Lake Temperature Statistics

September Temperature

Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)

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Climate (2021–2026)

Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)

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  • Average Low 2021–2026

    39.3 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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