No
you don't need a jacket based on the weather in Billerica, MA 01821, USA 1 second ago
60°F15°C & Clear
Wind is 2 mph4 km/h from the Southeast, gusting to 9 mph14 km/h
| September 15 | ||||
| 10pm | 59°F15°C | 2 mph3 km/h Southeast | Clear | |
| 11pm | 58°F14°C | 2 mph3 km/h West | Partly Cloudy | |
| September 16 | ||||
| 12am | 57°F14°C | 2 mph4 km/h Northwest | Mostly Cloudy | |
| 1am | 56°F13°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 2am | 56°F13°C | 3 mph5 km/h North | Mostly Cloudy | |
| 3am | 55°F13°C | 3 mph5 km/h Northwest | Mostly Cloudy | |
| 4am | 55°F13°C | 3 mph5 km/h Northwest | Partly Cloudy | |
| 5am | 55°F13°C | 2 mph3 km/h North | Mostly Cloudy | |
| 6am | 55°F13°C | 2 mph3 km/h North | Mostly Cloudy | |
| 7am | 55°F13°C | 2 mph3 km/h North | Mostly Cloudy | |
| 8am | 57°F14°C | 2 mph3 km/h North | Mostly Cloudy | |
| 9am | 62°F17°C | 2 mph2 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 55°F13°C | 74°F23°C | 3 mph4 km/h from East | Mostly Clear | Partly Cloudy |
| September 16 | 54°F12°C | 75°F24°C | 4 mph7 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 17 | 55°F13°C | 73°F23°C | 4 mph6 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 18 | 59°F15°C | 75°F24°C | 3 mph4 km/h from Southwest | Drizzle | Mostly Clear |
| September 19 | 55°F13°C | 77°F25°C | 8 mph13 km/h from Northwest | Clear | Clear |
| September 20 | 50°F10°C | 69°F21°C | 4 mph6 km/h from Northeast | Clear | Clear |
| September 21 | 49°F10°C | 75°F24°C | 6 mph9 km/h from South | Mostly Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 74°F24°CWind: 4 mph7 km/h
Precipitation: None