Yes
you do need a jacket based on the weather in Cold Spring Harbor, NY, USA 1 second ago
Why? Because it's quite chilly.
49°F9°C & Drizzle
Wind is 4 mph7 km/h from the SW, gusting to 9 mph15 km/h
| April 20 | ||||
| 9am | 49°F10°C | 5 mph9 km/h SW | Rain | |
| 10am | 51°F10°C | 5 mph8 km/h SW | Drizzle | |
| 11am | 52°F11°C | 5 mph8 km/h SW | Cloudy | |
| 12pm | 54°F12°C | 6 mph10 km/h SW | Mostly Cloudy | |
| 1pm | 57°F14°C | 6 mph10 km/h SW | Mostly Cloudy | |
| 2pm | 60°F16°C | 7 mph11 km/h SW | Partly Cloudy | |
| 3pm | 63°F17°C | 9 mph14 km/h SW | Partly Cloudy | |
| 4pm | 64°F18°C | 10 mph17 km/h SW | Partly Cloudy | |
| 5pm | 65°F18°C | 12 mph19 km/h W | Partly Cloudy | |
| 6pm | 63°F17°C | 11 mph18 km/h W | Partly Cloudy | |
| 7pm | 60°F16°C | 12 mph19 km/h W | Mostly Clear | |
| 8pm | 56°F13°C | 10 mph16 km/h NW | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 46°F8°C | 65°F18°C | 7 mph12 km/h from SW | Rain | Mostly Clear |
| April 21 | 40°F4°C | 54°F12°C | 9 mph14 km/h from W | Cloudy | Partly Cloudy |
| April 22 | 41°F5°C | 58°F14°C | 9 mph14 km/h from NW | Clear | Clear |
| April 23 | 39°F4°C | 58°F15°C | 9 mph15 km/h from S | Mostly Clear | Mostly Cloudy |
| April 24 | 45°F7°C | 60°F15°C | 11 mph18 km/h from SW | Rain | Drizzle |
| April 25 | 41°F5°C | 57°F14°C | 10 mph16 km/h from NW | Mostly Clear | Clear |
| April 26 | 40°F5°C | 58°F14°C | 7 mph11 km/h from W | Mostly Clear | Partly Cloudy |
Yes
Low of 39°F4°C, High of 55°F13°CWind: 9 mph14 km/h
Precipitation: None