Weather in Stony Brook, New York, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for Stony Brook
Tonight |
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Temperature: 73°F Wind Speed: 8 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 2am and 5am, then patchy fog and a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible. |
Sunday |
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Temperature: 88°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: Patchy fog and a slight chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 88, with temperatures falling to around 86 in the afternoon. Heat index values as high as 96. Southwest wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible. |
Sunday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Northwest wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
Monday |
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Temperature: 85°F Wind Speed: 10 mph Wind Direction: NW Forecast: Sunny. High near 85, with temperatures falling to around 83 in the afternoon. Northwest wind around 10 mph. |
Monday Night |
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Temperature: 66°F Wind Speed: 10 mph Wind Direction: N Forecast: Mostly clear, with a low around 66. North wind around 10 mph. |
Tuesday |
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Temperature: 81°F Wind Speed: 5 to 9 mph Wind Direction: E Forecast: Sunny, with a high near 81. |
Tuesday Night |
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Temperature: 67°F Wind Speed: 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 67. |
Wednesday |
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Temperature: 86°F Wind Speed: 3 to 10 mph Wind Direction: SE Forecast: Sunny, with a high near 86. |
Wednesday Night |
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Temperature: 71°F Wind Speed: 10 mph Wind Direction: S Forecast: Partly cloudy, with a low around 71. |
Thursday |
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Temperature: 88°F Wind Speed: 8 to 14 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 88. |
Thursday Night |
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Temperature: 75°F Wind Speed: 10 to 14 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 75. |
Friday |
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Temperature: 91°F Wind Speed: 10 mph Wind Direction: SW Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. |
Friday Night |
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Temperature: 75°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. |
Saturday |
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Temperature: 90°F Wind Speed: 7 mph Wind Direction: W Forecast: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. |