7-Day Forecast Summary
7-Day Detailed Weather Forecast for Setauket-East Setauket
Today |
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Temperature: 84°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly sunny. High near 84, with temperatures falling to around 82 in the afternoon. South wind around 6 mph. |
Tonight |
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Temperature: 72°F Wind Speed: 6 mph Wind Direction: S Forecast: A slight chance of rain showers after 2am. Mostly cloudy, with a low around 72. South wind around 6 mph. Chance of precipitation is 20%. |
Thursday |
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Temperature: 89°F Wind Speed: 3 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 102. Southwest wind 3 to 10 mph. Chance of precipitation is 20%. |
Thursday Night |
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Temperature: 74°F Wind Speed: 5 to 9 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 74. Heat index values as high as 99. Southwest wind 5 to 9 mph. Chance of precipitation is 30%. |
Friday |
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Temperature: 90°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms after 2pm. Mostly sunny. High near 90, with temperatures falling to around 87 in the afternoon. Southwest wind 5 to 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Friday Night |
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Temperature: 73°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
Saturday |
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Temperature: 89°F Wind Speed: 5 to 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. |
Saturday Night |
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Temperature: 74°F Wind Speed: 9 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. |
Sunday |
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Temperature: 88°F Wind Speed: 8 mph Wind Direction: W Forecast: Sunny, with a high near 88. |
Sunday Night |
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Temperature: 73°F Wind Speed: 3 to 7 mph Wind Direction: W Forecast: Mostly clear, with a low around 73. |
Monday |
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Temperature: 88°F Wind Speed: 3 to 9 mph Wind Direction: W Forecast: Mostly sunny, with a high near 88. |
Monday Night |
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Temperature: 73°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: A chance of rain showers between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
Tuesday |
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Temperature: 87°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 40%. |
Tuesday Night |
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Temperature: 70°F Wind Speed: 5 to 8 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. |

