Weather in Holtsville, New York, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Holtsville
Overnight |
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Temperature: 75°F Wind Speed: 6 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms before 5am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 75, with temperatures rising to around 78 overnight. Southwest wind around 6 mph. Chance of precipitation is 30%. |
Thursday |
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Temperature: 90°F Wind Speed: 6 to 16 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm. Partly sunny. High near 90, with temperatures falling to around 88 in the afternoon. Heat index values as high as 101. Southwest wind 6 to 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Thursday Night |
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Temperature: 73°F Wind Speed: 10 to 14 mph Wind Direction: W Forecast: Mostly clear. Low around 73, with temperatures rising to around 75 overnight. Heat index values as high as 97. West wind 10 to 14 mph. |
Friday |
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Temperature: 84°F Wind Speed: 7 to 12 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 84. Northwest wind 7 to 12 mph. |
Friday Night |
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Temperature: 67°F Wind Speed: 6 mph Wind Direction: N Forecast: Mostly clear, with a low around 67. North wind around 6 mph. |
Saturday |
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Temperature: 84°F Wind Speed: 3 to 9 mph Wind Direction: SE Forecast: A slight chance of rain showers after 2pm. Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. |
Saturday Night |
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Temperature: 72°F Wind Speed: 9 mph Wind Direction: S Forecast: A chance of rain showers before 2am, then showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%. |
Sunday |
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Temperature: 85°F Wind Speed: 7 to 10 mph Wind Direction: W Forecast: Showers and thunderstorms likely before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 60%. |
Sunday Night |
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Temperature: 68°F Wind Speed: 8 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%. |
Monday |
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Temperature: 83°F Wind Speed: 8 mph Wind Direction: N Forecast: Sunny, with a high near 83. |
Monday Night |
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Temperature: 67°F Wind Speed: 7 mph Wind Direction: NE Forecast: Partly cloudy, with a low around 67. |
Tuesday |
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Temperature: 82°F Wind Speed: 6 to 9 mph Wind Direction: E Forecast: Mostly sunny, with a high near 82. |
Tuesday Night |
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Temperature: 69°F Wind Speed: 6 to 9 mph Wind Direction: S Forecast: Partly cloudy, with a low around 69. |
Wednesday |
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Temperature: 84°F Wind Speed: 6 to 12 mph Wind Direction: S Forecast: A slight chance of rain showers after 2pm. Mostly sunny, with a high near 84. |