Grass Lake Weather Forecast

    • 54
    • 73

    Chance Thunderstorms

    • 56
    • 74

    Chance Rain Showers

    • 56
    • 77

    Partly Sunny

    • 57
    • 77

    Partly Sunny

    • 59
    • 79

    Rain Showers Likely

    • 58
    • 77

    Rain Showers Likely

Today 21 Jun Southwestern St. Lawrence

Patchy dense fog this morning. Partly sunny with scattered Showers and Thunderstorms. Highs in the lower 70s. Light and variable Winds. Chance of rain 50 percent.

Tonight 21 Jun Southwestern St. Lawrence

Partly cloudy. Scattered Showers with isolated Thunderstorms until midnight. Patchy dense fog after midnight. Lows in the mid 50s. Light and variable Winds. Chance of rain 40 percent.

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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

    67.1 °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

    47.7 °F

  • Average High 2021–2026

    55.9 °F
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