Grass Lake Weather Forecast

    • 56
    • 74

    Rain Showers

    • 54
    • 71

    Chance Thunderstorms

    • 54
    • 72

    Rain Showers Likely

    • 54
    • 73

    Chance Rain Showers

    • 54
    • 71

    Chance Rain Showers

    • 55
    • 75

    Chance Rain Showers

Today 18 Jun Southwestern St. Lawrence

Showers with a slight chance of Thunderstorms this Morning, then partly sunny with a chance of Showers and Thunderstorms this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Breezy with Highs in the lower 70s. South Winds 15 to 20 Mph, becoming southwest 20 to 25 Mph this afternoon. Gusts up to 55 Mph. Chance of rain near 100 percent.

Tonight 18 Jun Southwestern St. Lawrence

Mostly cloudy with a 20 percent chance of Showers. Lows in the mid 50s. Southwest Winds 15 to 20 Mph. Gusts up to 45 Mph, decreasing to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

June Temperature

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

  • Lowest 1 June, 2026

    41.5 °F

  • Average June

    67.6 °F

  • Highest 11 June, 2026

    85.1 °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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