Grass Lake Weather Forecast

    • 47
    • 64

    Decreasing Clouds

    • 47
    • 68

    Becoming Sunny

    • 59
    • 72

    Mostly Cloudy

    • 56
    • 76

    Rain Showers Likely

    • 44
    • 68

    Slight Chance Rain Showers

    • 46
    • 66

    Chance Rain Showers

    • 43
    • 66

    Chance Rain Showers

Today 28 Sep Southwestern St. Lawrence

Partly sunny. Highs around 60.

Tonight 28 Sep Southwestern St. Lawrence

Cloudy. A chance of Showers until midnight. Patchy fog after midnight. Lows in the upper 40s. Northeast Winds around 10 Mph until Midnight, becoming light and variable. Chance of rain 50 percent.

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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 22 September, 2026

    38.3 °F

  • Average September

    62.3 °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

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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