I-495 NY weather conditions near Holtsville, New York
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Seasoned Weather Conditions
Current Weather Conditions
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7 day weather forecast
Current condition: Fair 76°F 2025-06-24T04:56:00-04:00 
Today 2025-06-24, Sunny. Sunny, with a high near 99. Heat index values as high as 104. Calm wind becoming southwest 5 to 8 mph in the morning.
Tonight 2025-06-24, Mostly Clear. Mostly clear, with a low around 76. Southwest wind around 6 mph becoming calm in the evening.Wednesday 2025-06-25, Sunny then Chance T-storms. A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 93. Heat index values as high as 98. Light and variable wind becoming northwest 5 to 7 mph in the morning.
Wednesday Night 2025-06-25, Chance T-storms. A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind becoming northeast around 5 mph after midnight.
Thursday 2025-06-26, Chance Showers. A chance of showers and thunderstorms. Mostly cloudy, with a temperature falling to around 70 by 5pm. East wind 6 to 10 mph. Chance of precipitation is 40%.
Thursday Night 2025-06-26, Chance Showers. A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Friday 2025-06-27, Mostly Cloudy. Mostly cloudy, with a high near 70.Friday Night 2025-06-27, Mostly Cloudy then Chance Showers. A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 63.
Saturday 2025-06-28, Chance Showers. A chance of showers before 8am, then a chance of showers after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 30%.
Saturday Night 2025-06-28, Chance Showers. A 40 percent chance of showers. Mostly cloudy, with a low around 67.- Sunday 2025-06-29, Partly Sunny. Partly sunny, with a high near 81.
Sunday Night 2025-06-29, Mostly Cloudy. Mostly cloudy, with a low around 68.Monday 2025-06-30, Partly Sunny then Chance Showers. A 30 percent chance of showers. Partly sunny, with a high near 85.