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Grumman, NY Weather Forecast
Grumman, NY Weather Forecast Date: 230 PM EDT Thu Sep 24 2026
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This Afternoon... Partly sunny. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Tonight... Mostly cloudy and breezy. Lows in the mid 50s. Northeast winds 15 to 25 mph with gusts up to 35 mph.
Friday... Mostly cloudy. A chance of rain in the afternoon. Windy with highs in the mid 60s. Northeast winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 50%.
Friday Night... Rain likely. Windy with lows in the upper 50s. North winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 70%.
Saturday... Rain, windy with highs in the mid 60s. North winds 25 to 30 mph with gusts up to 45 mph. Chance of rain 90%.
Saturday Night... Rain, windy with lows in the upper 50s. Chance of rain 90%.
Sunday... Rain, windy with highs in the mid 60s. Chance of rain 90%.
Sunday Night... Rain in the evening, then showers likely after midnight. Breezy with lows in the upper 50s. Chance of rain 80%.
Monday... Mostly cloudy. Showers likely, mainly in the morning. Highs in the mid 60s. Chance of rain 60%.
Monday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 50%.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy. Lows in the upper 50s.
Wednesday... Mostly sunny. Highs in the upper 60s.
Wednesday Night... Partly cloudy. Lows around 60.
POP = Probability of Precipitation
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