7-Day Forecast Summary
7-Day Detailed Weather Forecast for Holtsville
Today |
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Temperature: 67°F Wind Speed: 20 mph Wind Direction: NE Forecast: A chance of rain showers between 2pm and 5pm, then rain likely. Cloudy. High near 67, with temperatures falling to around 64 in the afternoon. Northeast wind around 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Tonight |
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Temperature: 54°F Wind Speed: 23 to 28 mph Wind Direction: NE Forecast: Rain. Cloudy. Low around 54, with temperatures rising to around 56 overnight. Northeast wind 23 to 28 mph, with gusts as high as 46 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
Saturday |
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Temperature: 63°F Wind Speed: 25 to 29 mph Wind Direction: NE Forecast: Rain before 8am, then rain showers between 8am and 11am, then rain. Cloudy. High near 63, with temperatures falling to around 60 in the afternoon. Northeast wind 25 to 29 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Saturday Night |
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Temperature: 54°F Wind Speed: 23 to 26 mph Wind Direction: N Forecast: Rain before 11pm, then rain and a slight chance of thunderstorms. Cloudy. Low around 54, with temperatures rising to around 56 overnight. North wind 23 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
Sunday |
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Temperature: 66°F Wind Speed: 18 to 24 mph Wind Direction: N Forecast: Rain before 2pm, then rain and a slight chance of thunderstorms. Cloudy, with a high near 66. North wind 18 to 24 mph, with gusts as high as 46 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible. |
Sunday Night |
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Temperature: 57°F Wind Speed: 17 mph Wind Direction: N Forecast: Rain and a slight chance of thunderstorms. Cloudy. Low around 57, with temperatures rising to around 59 overnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible. |
Monday |
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Temperature: 66°F Wind Speed: 12 to 17 mph Wind Direction: N Forecast: Rain likely before 2pm, then a chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 70%. |
Monday Night |
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Temperature: 55°F Wind Speed: 6 to 10 mph Wind Direction: NW Forecast: A chance of rain showers before 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 40%. |
Tuesday |
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Temperature: 69°F Wind Speed: 7 mph Wind Direction: NW Forecast: Partly sunny, with a high near 69. |
Tuesday Night |
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Temperature: 56°F Wind Speed: 1 to 5 mph Wind Direction: W Forecast: Partly cloudy, with a low around 56. |
Wednesday |
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Temperature: 70°F Wind Speed: 1 to 7 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 70. |
Wednesday Night |
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Temperature: 58°F Wind Speed: 3 to 7 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 58. |
Thursday |
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Temperature: 72°F Wind Speed: 3 to 8 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 72. |
Thursday Night |
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Temperature: 60°F Wind Speed: 7 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 60. |

