No
you don't need a jacket based on the weather in Setauket- East Setauket, NY, USA 1 second ago
63°F17°C & Clear
Wind is 4 mph7 km/h from the South, gusting to 11 mph17 km/h
| September 3 | ||||
| 11pm | 63°F17°C | 5 mph8 km/h South | Clear | |
| September 4 | ||||
| 12am | 62°F17°C | 4 mph7 km/h South | Clear | |
| 1am | 61°F16°C | 5 mph7 km/h Southwest | Clear | |
| 2am | 61°F16°C | 4 mph7 km/h Southwest | Clear | |
| 3am | 60°F16°C | 4 mph7 km/h South | Clear | |
| 4am | 60°F15°C | 4 mph7 km/h Southwest | Clear | |
| 5am | 60°F15°C | 4 mph6 km/h South | Clear | |
| 6am | 60°F16°C | 4 mph6 km/h South | Mostly Clear | |
| 7am | 62°F16°C | 3 mph5 km/h South | Clear | |
| 8am | 65°F18°C | 3 mph5 km/h Southeast | Clear | |
| 9am | 69°F21°C | 5 mph8 km/h South | Clear | |
| 10am | 73°F23°C | 6 mph10 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 3 | 54°F12°C | 76°F25°C | 2 mph3 km/h from Southeast | Mostly Clear | Clear |
| September 4 | 60°F15°C | 77°F25°C | 9 mph15 km/h from South | Clear | Partly Cloudy |
| September 5 | 68°F20°C | 81°F27°C | 10 mph16 km/h from South | Mostly Clear | Clear |
| September 6 | 69°F21°C | 83°F28°C | 12 mph19 km/h from South | Partly Cloudy | Drizzle |
| September 7 | 61°F16°C | 72°F22°C | 6 mph10 km/h from North | Drizzle | Mostly Cloudy |
| September 8 | 58°F15°C | 72°F22°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 9 | 57°F14°C | 71°F22°C | 7 mph11 km/h from Northeast | Mostly Clear | Partly Cloudy |
No
Low of 60°F16°C, High of 77°F25°CWind: 9 mph15 km/h
Precipitation: None