Grass Lake Weather Forecast

    • 54
    • 76

    Partly Sunny

    • 51
    • 73

    Partly Sunny

    • 50
    • 72

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 52
    • 70

    Chance Rain Showers

    • 60
    • 73

    Rain Showers Likely

Today 4 Sep Southwestern St. Lawrence

Patchy dense fog this morning. Partly sunny. Highs in the mid 70s. Light and variable Winds, becoming northwest around 10 Mph this afternoon.

Tonight 4 Sep Southwestern St. Lawrence

Partly cloudy. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Real-Time

Grass Lake Temperature Statistics

September Temperature

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

  • Lowest 1 September, 2026

    64.6 °F

  • Average September

    71.4 °F

  • Highest 2 September, 2026

    82.2 °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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