7-Day Forecast Summary
7-Day Detailed Weather Forecast for Shelter Island
Tonight |
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Temperature: 62°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: Mostly clear, with a low around 62. Southwest wind 6 to 9 mph. |
Wednesday |
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Temperature: 74°F Wind Speed: 6 to 13 mph Wind Direction: SW Forecast: A chance of rain showers after 11am. Partly sunny. High near 74, with temperatures falling to around 71 in the afternoon. Southwest wind 6 to 13 mph. Chance of precipitation is 40%. |
Wednesday Night |
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Temperature: 64°F Wind Speed: 5 to 12 mph Wind Direction: SW Forecast: A chance of rain showers before 8pm, then a chance of showers and thunderstorms between 8pm and 5am. Mostly cloudy, with a low around 64. Southwest wind 5 to 12 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
Thursday |
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Temperature: 91°F Wind Speed: 7 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Partly sunny. High near 91, with temperatures falling to around 87 in the afternoon. Heat index values as high as 96. Southwest wind around 7 mph. Chance of precipitation is 50%. |
Thursday Night |
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Temperature: 68°F Wind Speed: 2 to 6 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. West wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Friday |
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Temperature: 87°F Wind Speed: 2 to 7 mph Wind Direction: SW Forecast: A chance of rain showers before 8am. Partly sunny. High near 87, with temperatures falling to around 82 in the afternoon. Chance of precipitation is 30%. |
Friday Night |
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Temperature: 66°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%. |
Saturday |
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Temperature: 87°F Wind Speed: 2 to 7 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 8am. Partly sunny, with a high near 87. Chance of precipitation is 30%. |
Saturday Night |
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Temperature: 66°F Wind Speed: 1 to 6 mph Wind Direction: NW Forecast: Mostly clear, with a low around 66. |
Sunday |
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Temperature: 88°F Wind Speed: 1 to 8 mph Wind Direction: W Forecast: Sunny, with a high near 88. |
Sunday Night |
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Temperature: 65°F Wind Speed: 3 to 8 mph Wind Direction: SW Forecast: A slight chance of rain showers after 8pm. Partly cloudy, with a low around 65. |
Monday |
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Temperature: 84°F Wind Speed: 3 to 7 mph Wind Direction: S Forecast: A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 30%. |
Monday Night |
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Temperature: 63°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: A chance of rain showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%. |
Tuesday |
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Temperature: 83°F Wind Speed: 3 to 8 mph Wind Direction: S Forecast: A chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 83. |

