| NWS Forecast for: Stony Brook NY Issued by: National Weather Service New York, NY Last Update: 3:14 pm EDT Jul 13, 2026 |  |
Tonight: Mostly clear, with a low around 70. Southwest wind around 11 mph, with gusts as high as 25 mph. Tuesday: Sunny, with a high near 91. Southwest wind 9 to 15 mph. Tuesday Night: Mostly clear, with a low around 78. Southwest wind around 14 mph. Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 95. Heat index values as high as 100. West wind around 11 mph. Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Northwest wind 5 to 9 mph. Chance of precipitation is 20%. Thursday: Mostly sunny, with a high near 90. Thursday Night: Partly cloudy, with a low around 73. Friday: Sunny, with a high near 89. Friday Night: Partly cloudy, with a low around 70. Saturday: A 50 percent chance of showers after 2pm. Mostly sunny, with a high near 85. Saturday Night: Showers likely. Mostly cloudy, with a low around 70. Chance of precipitation is 60%. Sunday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Monday: A 30 percent chance of showers. Mostly sunny, with a high near 83. | |
| Stony Brook NY 40.92°N 73.12°W (Elev. 112 ft) | |
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