Yes
you do need a jacket based on the weather in Holtsville, NY, USA 1 second ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it and it's windy enough to give you a brand new hairdo!
54°F12°C & Cloudy
Wind is 12 mph19 km/h from the Northwest, gusting to 20 mph32 km/h
| March 6 | ||||
| 1pm | 54°F12°C | 12 mph20 km/h Northwest | Mostly Clear | |
| 2pm | 53°F12°C | 13 mph21 km/h West | Partly Cloudy | |
| 3pm | 51°F11°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 4pm | 50°F10°C | 13 mph21 km/h Northwest | Mostly Cloudy | |
| 5pm | 49°F9°C | 13 mph22 km/h Northwest | Mostly Cloudy | |
| 6pm | 46°F8°C | 14 mph23 km/h Northwest | Mostly Cloudy | |
| 7pm | 44°F7°C | 16 mph26 km/h Northwest | Windy | |
| 8pm | 42°F5°C | 18 mph29 km/h Northwest | Windy | |
| 9pm | 39°F4°C | 19 mph30 km/h Northwest | Windy | |
| 10pm | 36°F2°C | 19 mph31 km/h Northwest | Windy | |
| 11pm | 34°F1°C | 20 mph32 km/h Northwest | Windy | |
| March 7 | ||||
| 12am | 32°F0°C | 20 mph32 km/h Northwest | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 6 | 32°F0°C | 55°F13°C | 10 mph16 km/h from Northwest | Mostly Cloudy | Windy |
| March 7 | 31°F-1°C | 46°F8°C | 18 mph29 km/h from West | Windy | Partly Cloudy |
| March 8 | 32°F-0°C | 42°F6°C | 15 mph24 km/h from Northwest | Mostly Clear | Clear |
| March 9 | 29°F-1°C | 44°F7°C | 10 mph16 km/h from West | Mostly Clear | Mostly Clear |
| March 10 | 35°F2°C | 51°F10°C | 10 mph16 km/h from West | Mostly Clear | Mostly Clear |
| March 11 | 38°F3°C | 55°F13°C | 10 mph16 km/h from Southwest | Mostly Clear | Partly Cloudy |
| March 12 | 44°F7°C | 58°F15°C | 9 mph15 km/h from South | Partly Cloudy | Cloudy |
Yes
Low of 31°F-1°C, High of 46°F8°CWind: 18 mph29 km/h
Precipitation: None