Grindstone Weather Forecast
- 55
- 72
Increasing Clouds
- 57
- 70
Partly Sunny
- 59
- 72
Rain Showers Likely
- 57
- 69
Rain Showers Likely
- 55
- 71
Slight Chance Rain Showers
- 56
- 75
Mostly Sunny
Today 3 Jun Jefferson
Sunny. Highs Ranging from the upper 60s along the lake Ontario shore to the upper 70s inland. Southwest Winds 10 Mph or less.
Tonight 3 Jun Jefferson
Mainly clear. Lows in the lower 50s. Light southwest Winds.
Grindstone Temperature Statistics
June Temperature
Watertown, Watertown International Airport (20.5 miles)
Lowest 1 June, 2026
37.9 °FAverage June
56 °FHighest 1 June, 2026
69.1 °F
Climate (2021–Present)
Watertown, Watertown International Airport (20.5 miles)
Average Low 2021–2026
38.4 °FAverage 2021–2026
48.3 °FAverage High 2021–2026
57.5 °F