Yes
you do need a jacket based on the weather in Setauket- East Setauket, NY, USA 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
40°F4°C & Partly Cloudy
Wind is 7 mph12 km/h from the North, gusting to 16 mph25 km/h
| March 12 | ||||
| 6am | 39°F4°C | 8 mph13 km/h North | Partly Cloudy | |
| 7am | 39°F4°C | 8 mph14 km/h North | Partly Cloudy | |
| 8am | 39°F4°C | 10 mph15 km/h North | Partly Cloudy | |
| 9am | 41°F5°C | 11 mph17 km/h North | Partly Cloudy | |
| 10am | 42°F6°C | 11 mph17 km/h North | Mostly Clear | |
| 11am | 45°F7°C | 10 mph16 km/h Northeast | Mostly Clear | |
| 12pm | 47°F8°C | 9 mph14 km/h Northeast | Partly Cloudy | |
| 1pm | 47°F9°C | 6 mph10 km/h Northeast | Mostly Cloudy | |
| 2pm | 49°F9°C | 5 mph8 km/h Northeast | Partly Cloudy | |
| 3pm | 50°F10°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 4pm | 50°F10°C | 5 mph8 km/h East | Mostly Cloudy | |
| 5pm | 48°F9°C | 6 mph9 km/h Southeast | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 12 | 37°F3°C | 50°F10°C | 8 mph12 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| March 13 | 35°F2°C | 48°F9°C | 9 mph15 km/h from East | Partly Cloudy | Mostly Cloudy |
| March 14 | 37°F3°C | 53°F12°C | 6 mph10 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| March 15 | 41°F5°C | 52°F11°C | 6 mph10 km/h from Southeast | Cloudy | Cloudy |
| March 16 | 49°F9°C | 57°F14°C | 18 mph30 km/h from South | Windy | Rain |
| March 17 | 39°F4°C | 53°F12°C | 10 mph16 km/h from Northwest | Rain | Mostly Clear |
| March 18 | 33°F1°C | 51°F11°C | 6 mph10 km/h from West | Clear | Clear |
Yes
Low of 35°F2°C, High of 48°F9°CWind: 9 mph15 km/h
Precipitation: None