Grass Lake Weather Forecast

    • 60
    • 81

    Chance Thunderstorms

    • 53
    • 74

    Rain Showers

    • 53
    • 68

    Rain Showers Likely

    • 54
    • 73

    Slight Chance Rain Showers

    • 57
    • 77

    Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

Today 22 Aug Southwestern St. Lawrence

Sunny this Morning, then becoming partly sunny. Highs in the lower 80s. Light and variable Winds, becoming south around 10 Mph this afternoon.

Tonight 22 Aug Southwestern St. Lawrence

Partly cloudy. A chance of Showers after midnight. Lows in the lower 60s. Southeast Winds around 10 Mph. 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 16 August, 2026

    54.1 °F

  • Average August

    71 °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

    39.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    55.9 °F
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