10 Day Weather - Holtsville, NY
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NightThunderstorms64°Night DetailsMostly cloudy. Showers with a chance of thunderstorms this evening then a chance of showers after midnight. Some thunderstorms may produce gusty winds and heavy rainfall this evening. Lows in the lower 60s. South winds 10 to 15 mph becoming north 5 to 10 mph after midnight. Chance of rain 90 percent.
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SaturdaySunny77°NightMostly Clear60°Day DetailsSunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph.Night DetailsMostly clear. Lows around 60. North winds 5 to 10 mph. Gusts up to 20 mph after midnight.
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SundaySunny71°NightPartly Cloudy60°Day DetailsSunny. Highs in the mid 70s. Northeast winds 5 to 10 mph with gusts up to 20 mph becoming southeast in the afternoon.Night DetailsMostly clear in the evening then becoming partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph.
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MondayMostly Sunny76°NightMostly Clear64°Day DetailsMostly sunny. Highs in the upper 70s.Night DetailsMostly clear. Lows in the upper 60s.
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TuesdaySunny81°NightMostly Clear68°Day DetailsSunny. Highs in the mid 80s.Night DetailsMostly clear. Lows in the upper 60s.
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WednesdaySunny81°NightPartly Cloudy69°Day DetailsSunny. Highs in the mid 80s.Night DetailsPartly cloudy. Lows in the upper 60s.
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ThursdayMostly Sunny81°NightPartly Cloudy70°Day DetailsMostly sunny. Highs in the upper 80s.Night DetailsPartly cloudy. Lows around 70.
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FridayMostly Sunny82°Night30% Chance of Rain70°Day DetailsMostly sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.Night DetailsPartly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 70F. Dew point will be around 62F with an average humidity of 70%. Winds will be 6 mph from the S.
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SaturdayMostly Sunny81°Night30% Chance of Rain70°Saturday 6/22Day81°Mostly SunnyNight70°30% Chance of RainDay DetailsMostly sunny. High temperature around 81F. Dew point will be around 65F with an average humidity of 66%. Winds will be 4 mph from the S.Night DetailsMostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 70F. Dew point will be around 62F with an average humidity of 70%. Winds will be 6 mph from the S.
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Sunday30% Chance of Rain81°Night40% Chance of Rain71°Sunday 6/23Day81°30% Chance of RainNight71°40% Chance of RainDay DetailsMostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 81F. Dew point will be around 66F with an average humidity of 69%. Winds will be 4 mph from the S.Night DetailsMostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 71F. Dew point will be around 63F with an average humidity of 71%. Winds will be 6 mph from the S.
