Grass Lake Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 64
    • 86

    Partly Sunny

    • 58
    • 85

    Slight Chance Thunderstorms

    • 59
    • 79

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 61
    • 81

    Chance Rain Showers

    • 63
    • 83

    Chance Rain Showers

Today 14 Jul Southwestern St. Lawrence

Partly sunny. Hot with Highs around 90. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph. Heat index Values up to 100.

Tonight 14 Jul Southwestern St. Lawrence

Partly cloudy until Midnight, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Patchy smoke. Some Thunderstorms may produce damaging Winds, large Hail, and heavy rainfall. Lows around 70. Southwest Winds 10 to 15 Mph. Gusts up to 35 Mph until midnight. Chance of rain 50 percent.

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Grass Lake Temperature Statistics

July Temperature

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

  • Lowest 12 July, 2026

    59 °F

  • Average July

    75 °F

  • Highest 1 July, 2026

    90 °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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