Grass Lake Weather Forecast

    • 53
    • 72

    Chance Rain Showers

    • 60
    • 76

    Partly Sunny

    • 60
    • 79

    Chance Thunderstorms

    • 53
    • 76

    Chance Rain Showers

    • 53
    • 74

    Partly Sunny

    • 59
    • 77

    Chance Rain Showers

Today 25 Aug Southwestern St. Lawrence

Mostly cloudy. Patchy dense fog this morning. Scattered Showers this Morning, then numerous Showers this afternoon. Highs in the lower 70s. Light and variable Winds. Chance of rain 70 percent.

Tonight 25 Aug Southwestern St. Lawrence

Partly cloudy. Scattered Showers until midnight. Patchy dense fog after midnight. Lows in the mid 50s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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

    70.5 °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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