Grass Lake Weather Forecast

    • 58
    • 77

    Mostly Cloudy

    • 61
    • 75

    Slight Chance Rain Showers

    • 65
    • 77

    Rain Showers

    • 52
    • 73

    Partly Sunny

    • 51
    • 70

    Mostly Sunny

    • 60
    • 76

    Slight Chance Rain Showers

    • 55
    • 76

    Slight Chance Rain Showers

Today 7 Sep Southwestern St. Lawrence

Sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 7 Sep Southwestern St. Lawrence

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

September Temperature

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

  • Lowest 5 September, 2026

    59.5 °F

  • Average September

    69.5 °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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