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Nassau County, NY Weather Forecast
Nassau County, NY Weather Forecast Date: 316 PM EDT Sat Oct 10 2026
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Tonight... Partly cloudy this evening, then becoming mostly cloudy. Lows in the mid 50s. Southeast winds 5 to 10 mph. Gusts up to 20 mph after midnight.
Sunday... Periods of rain. Highs in the lower 60s. East winds 15 to 20 mph. Gusts up to 25 mph, increasing to 35 mph in the afternoon. Chance of rain near 100%.
Sunday Night... Periods of rain with a slight chance of thunderstorms. Lows in the upper 50s. East winds 15 to 20 mph, becoming northeast 10 to 15 mph after midnight. Gusts up to 35 mph. Chance of rain near 100%.
Columbus Day... Mostly cloudy with a chance of rain with a slight chance of thunderstorms in the morning, then mostly sunny with a slight chance of rain in the afternoon. Highs in the upper 60s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%.
Monday Night... Mostly clear. Lows in the upper 50s. North winds around 5 mph.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 30%.
Wednesday... Mostly sunny. Highs in the lower 70s.
Wednesday Night... Mostly clear. Lows in the mid 50s.
Thursday... Mostly sunny. Highs in the mid 60s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Friday... Mostly cloudy with a 40% chance of showers. Highs in the mid 60s.
Friday Night... Mostly cloudy with a 50% chance of showers. Lows in the mid 50s.
POP = Probability of Precipitation
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