Grass Lake Weather Forecast

    • 41
    • 56

    Becoming Sunny

    • 38
    • 61

    Sunny

    • 33
    • 58

    Mostly Sunny

    • 33
    • 56

    Mostly Sunny

    • 36
    • 58

    Partly Sunny

    • 31
    • 51

    Partly Sunny

    • 34
    • 55

    Mostly Sunny

Today 18 Oct Southwestern St. Lawrence

Partly sunny. Highs in the upper 50s.

Tonight 18 Oct Southwestern St. Lawrence

Clear. Lows in the lower 40s. South Winds around 10 Mph. Gusts up to 25 Mph until midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

October Temperature

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

  • Lowest 6 October, 2026

    33.6 °F

  • Average October

    54.2 °F

  • Highest 1 October, 2026

    70.9 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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