Grass Lake Weather Forecast

    • 51
    • 76

    Decreasing Clouds

    • 56
    • 78

    Mostly Sunny

    • 60
    • 80

    Rain Showers

    • 54
    • 75

    Rain Showers Likely

    • 53
    • 72

    Chance Rain Showers

    • 56
    • 75

    Partly Sunny

Today 20 Aug Southwestern St. Lawrence

Patchy dense fog in the morning. Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 20 Aug Southwestern St. Lawrence

Clear. Patchy dense fog after midnight. Lows in the lower 50s. Light and variable Winds.

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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

    71.4 °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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