Grass Lake Weather Forecast
- 60
- 79
Chance Rain Showers
- 55
- 81
Rain Showers
- 56
- 76
Mostly Sunny
- 63
- 80
Rain Showers Likely
- 61
- 81
Rain Showers Likely
- 56
- 75
Chance Rain Showers
- 57
- 76
Slight Chance Rain Showers
Today 17 Jul Southwestern St. Lawrence
Sunny. Highs in the upper 70s. Light and variable Winds.
Tonight 17 Jul Southwestern St. Lawrence
Partly cloudy. A slight chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds, becoming south around 10 Mph after midnight. Chance of rain 20 percent.
Grass Lake Temperature Statistics
July Temperature
Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)
Lowest 12 July, 2026
59 °FAverage July
75 °FHighest 1 July, 2026
90 °F
Climate (2021–2026)
Fort Drum / Wheeler-Sack U. S. Army Airfield (19.9 miles)
Average Low 2021–2026
39.3 °FAverage 2021–2026
47.8 °FAverage High 2021–2026
55.9 °F