Grass Lake Weather Forecast

    • 37
    • 60

    Mostly Sunny

    • 47
    • 68

    Partly Sunny

    • 46
    • 68

    Rain Showers Likely

    • 50
    • 66

    Rain Showers Likely

    • 49
    • 71

    Slight Chance Rain Showers

    • 50
    • 74

    Mostly Sunny

Today 21 May Southwestern St. Lawrence

Sunny. Highs in the upper 50s. North Winds around 10 Mph.

Tonight 21 May Southwestern St. Lawrence

Clear. Patchy frost after midnight. Lows in the mid 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

May Temperature

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

  • Lowest 11 May, 2026

    34.3 °F

  • Average May

    51.5 °F

  • Highest 18 May, 2026

    88.9 °F

Climate (2021–Present)

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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