7-Day Forecast Summary
7-Day Detailed Weather Forecast for West Islip
This Afternoon |
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Temperature: 80°F Wind Speed: 7 mph Wind Direction: S Forecast: A chance of showers and thunderstorms before 5pm, then showers and thunderstorms. Mostly cloudy. High near 80, with temperatures falling to around 77 in the afternoon. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight |
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Temperature: 65°F Wind Speed: 3 to 9 mph Wind Direction: NE Forecast: Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. Northeast wind 3 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday |
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Temperature: 75°F Wind Speed: 12 mph Wind Direction: E Forecast: Mostly cloudy. High near 75, with temperatures falling to around 73 in the afternoon. East wind around 12 mph. |
Wednesday Night |
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Temperature: 66°F Wind Speed: 3 to 10 mph Wind Direction: SE Forecast: Showers and thunderstorms likely after 2am. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. Southeast wind 3 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
Thursday |
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Temperature: 80°F Wind Speed: 5 to 12 mph Wind Direction: S Forecast: Showers and thunderstorms likely before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 5 to 12 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday Night |
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Temperature: 69°F Wind Speed: 5 to 9 mph Wind Direction: W Forecast: A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 69. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible. |
Friday |
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Temperature: 83°F Wind Speed: 8 mph Wind Direction: NW Forecast: Mostly sunny, with a high near 83. |
Friday Night |
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Temperature: 64°F Wind Speed: 7 mph Wind Direction: NW Forecast: Partly cloudy, with a low around 64. |
Saturday |
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Temperature: 78°F Wind Speed: 9 mph Wind Direction: N Forecast: Sunny, with a high near 78. |
Saturday Night |
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Temperature: 61°F Wind Speed: 8 mph Wind Direction: N Forecast: Partly cloudy, with a low around 61. |
Sunday |
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Temperature: 75°F Wind Speed: 9 mph Wind Direction: E Forecast: Sunny, with a high near 75. |
Sunday Night |
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Temperature: 61°F Wind Speed: 6 mph Wind Direction: SW Forecast: Mostly clear, with a low around 61. |
Labor Day |
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Temperature: 76°F Wind Speed: 5 to 9 mph Wind Direction: SW Forecast: Sunny, with a high near 76. |
Monday Night |
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Temperature: 62°F Wind Speed: 8 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 62. |

