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Grumman, NY Weather Forecast
Grumman, NY Weather Forecast Date: 547 PM EDT Wed Sep 23 2026
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Tonight... Partly cloudy and breezy. Lows in the mid 50s. Northeast winds 20 to 25 mph with gusts up to 35 mph.
Thursday... Mostly sunny and breezy. Highs in the mid 60s. Northeast winds 20 to 25 mph with gusts up to 35 mph.
Thursday Night... Mostly cloudy and breezy. Lows in the mid 50s. Northeast winds 20 to 25 mph with gusts up to 35 mph.
Friday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Windy with highs in the mid 60s. North winds 25 to 30 mph with gusts up to 45 mph. Chance of rain 60%.
Friday Night... Showers likely. Windy with lows in the mid 50s. North winds 25 to 30 mph with gusts up to 45 mph. Chance of rain 70%.
Saturday... Showers likely. Windy with highs in the mid 60s. Chance of rain 70%.
Saturday Night... Showers likely. Windy with lows in the upper 50s. Chance of rain 70%.
Sunday... Showers likely. Windy with highs in the mid 60s. Chance of rain 70%.
Sunday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of rain 70%.
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s.
Monday Night... Mostly cloudy. Lows in the upper 50s.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the upper 50s.
POP = Probability of Precipitation
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