7-Day Forecast Summary
7-Day Detailed Weather Forecast for Islip
Overnight |
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Temperature: 48°F Wind Speed: 3 mph Wind Direction: NW Forecast: Mostly clear. Low around 48, with temperatures rising to around 50 overnight. Northwest wind around 3 mph. |
Tuesday |
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Temperature: 73°F Wind Speed: 7 mph Wind Direction: NW Forecast: Sunny, with a high near 73. Northwest wind around 7 mph. |
Tuesday Night |
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Temperature: 54°F Wind Speed: 6 mph Wind Direction: W Forecast: Partly cloudy, with a low around 54. West wind around 6 mph. |
Wednesday |
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Temperature: 77°F Wind Speed: 5 to 8 mph Wind Direction: NE Forecast: Sunny. High near 77, with temperatures falling to around 72 in the afternoon. Northeast wind 5 to 8 mph. |
Wednesday Night |
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Temperature: 56°F Wind Speed: 2 to 7 mph Wind Direction: SW Forecast: Clear, with a low around 56. Southwest wind 2 to 7 mph. |
Thursday |
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Temperature: 79°F Wind Speed: 2 to 10 mph Wind Direction: SW Forecast: Sunny. High near 79, with temperatures falling to around 75 in the afternoon. |
Thursday Night |
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Temperature: 62°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: Mostly clear, with a low around 62. |
Friday |
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Temperature: 86°F Wind Speed: 3 to 12 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 86. |
Friday Night |
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Temperature: 66°F Wind Speed: 3 to 10 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 66. |
Saturday |
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Temperature: 83°F Wind Speed: 3 to 12 mph Wind Direction: SW Forecast: Partly sunny, with a high near 83. |
Saturday Night |
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Temperature: 62°F Wind Speed: 3 to 9 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 62. Chance of precipitation is 30%. |
Sunday |
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Temperature: 72°F Wind Speed: 5 to 12 mph Wind Direction: E Forecast: A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 40%. |
Sunday Night |
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Temperature: 58°F Wind Speed: 9 mph Wind Direction: E Forecast: A chance of rain showers. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. |
Monday |
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Temperature: 70°F Wind Speed: 8 to 12 mph Wind Direction: E Forecast: A chance of rain showers. Partly sunny, with a high near 70. |

