7-Day Forecast 40.92°N 73.12°W (Text-Only)
NWS Forecast for: Stony Brook NY
Issued by: National Weather Service New York, NY
Last Update: 2:32 pm EDT Jul 3, 2025




This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could be severe. Mostly sunny, with a high near 90. West wind around 9 mph.

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Some of the storms could be severe. Partly cloudy, with a low around 68. Northwest wind 6 to 8 mph.

Independence Day: Sunny, with a high near 86. Northwest wind around 8 mph.

Friday Night: Mostly clear, with a low around 67. North wind 3 to 7 mph.

Saturday: Mostly sunny, with a high near 86. Calm wind becoming south 5 to 7 mph in the afternoon.

Saturday Night: Partly cloudy, with a low around 70.

Sunday: Mostly sunny, with a high near 88.

Sunday Night: Partly cloudy, with a low around 72.

Monday: Partly sunny, with a high near 88.

Monday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 73.

Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Tuesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 85.

Wednesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 70.

Thursday: A chance of showers. Partly sunny, with a high near 83.



Stony Brook NY
 40.92°N 73.12°W (Elev. 112 ft)

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