No
you don't need a jacket based on the weather in Somerville, MA, USA 1 second ago
72°F22°C & Clear
Wind is 8 mph13 km/h from the East, gusting to 12 mph19 km/h
| September 15 | ||||
| 5pm | 71°F21°C | 8 mph13 km/h East | Mostly Clear | |
| 6pm | 68°F20°C | 7 mph12 km/h East | Mostly Clear | |
| 7pm | 65°F18°C | 5 mph9 km/h East | Mostly Clear | |
| 8pm | 63°F17°C | 4 mph6 km/h East | Partly Cloudy | |
| 9pm | 62°F16°C | 3 mph5 km/h East | Mostly Clear | |
| 10pm | 60°F16°C | 3 mph5 km/h Southeast | Mostly Cloudy | |
| 11pm | 60°F16°C | 2 mph3 km/h Southeast | Mostly Cloudy | |
| September 16 | ||||
| 12am | 59°F15°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 1am | 58°F14°C | 2 mph3 km/h Northwest | Mostly Cloudy | |
| 2am | 57°F14°C | 3 mph4 km/h North | Mostly Cloudy | |
| 3am | 57°F14°C | 3 mph4 km/h North | Cloudy | |
| 4am | 56°F14°C | 3 mph5 km/h North | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 58°F14°C | 74°F23°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 55°F13°C | 73°F23°C | 5 mph9 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 17 | 56°F13°C | 71°F22°C | 5 mph8 km/h from East | Mostly Cloudy | Cloudy |
| September 18 | 62°F17°C | 74°F24°C | 4 mph6 km/h from Southeast | Drizzle | Mostly Clear |
| September 19 | 56°F13°C | 76°F25°C | 8 mph13 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 51°F10°C | 68°F20°C | 5 mph8 km/h from Northeast | Clear | Mostly Clear |
| September 21 | 51°F10°C | 73°F23°C | 6 mph9 km/h from South | Mostly Clear | Clear |
Yes
Low of 55°F13°C, High of 73°F23°CWind: 5 mph9 km/h
Precipitation: None