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Grindstone, NY Weather Forecast
Grindstone, NY Weather Forecast Date: 1000 PM EDT Sat Oct 24 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
Overnight... Clear. Lows ranging from the mid 30s across the tug hill to the lower 40s along the lake Ontario shore. Light southeast winds.
Sunday... Sunny. Highs around 60. Light winds, becoming southwest 5 to 10 mph.
Sunday Night... Partly to mostly cloudy. Lows ranging from the lower 40s on the tug hill to the mid 40s across the lower elevations. Light winds.
Monday... Partly sunny with a 30% chance of showers. Highs in the upper 50s. Light winds.
Monday Night... Partly cloudy with a chance of rain showers in the evening, then mainly clear overnight. Lows ranging from the upper 20s across the tug hill to the mid 30s along the lake Ontario shore. Light winds. Chance of rain 30%.
Tuesday... Sunny. Highs in the upper 40s.
Tuesday Night... Mainly clear. Lows in the upper 20s.
Wednesday... Mostly sunny. Highs in the mid 50s.
Wednesday Night... Partly cloudy. Lows in the mid 40s.
Thursday... Mostly sunny. Highs in the lower 60s.
Thursday Night... Partly cloudy. Lows in the upper 40s.
Friday... Partly sunny. Highs in the lower 60s.
Friday Night... Partly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
Grindstone Radar Loop
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