Grass Lake Weather Forecast

    • 58
    • 78

    Chance Thunderstorms

    • 52
    • 73

    Partly Sunny

    • 56
    • 75

    Partly Sunny

    • 60
    • 77

    Chance Rain Showers

    • 58
    • 76

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

Today 27 Aug Southwestern St. Lawrence

Partly sunny with scattered Showers. Scattered Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall this afternoon. Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 27 Aug Southwestern St. Lawrence

Mostly clear with isolated Showers and Thunderstorms until Midnight, then partly cloudy with a slight chance of Showers after midnight. Lows in the upper 50s. Southwest Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Grass Lake Temperature Statistics

August Temperature

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

  • Lowest 21 August, 2026

    53.1 °F

  • Average August

    69.8 °F

  • Highest 5 August, 2026

    86.7 °F

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

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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