No
you don't need a jacket based on the weather in Waltham, MA 02453, USA 1 second ago
77°F25°C & Mostly Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 10 mph16 km/h
| September 11 | ||||
| 6pm | 76°F25°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 7pm | 73°F23°C | 4 mph6 km/h Southwest | Mostly Clear | |
| 8pm | 69°F21°C | 4 mph7 km/h West | Mostly Clear | |
| 9pm | 66°F19°C | 4 mph6 km/h West | Mostly Clear | |
| 10pm | 65°F18°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 11pm | 65°F18°C | 7 mph11 km/h North | Partly Cloudy | |
| September 12 | ||||
| 12am | 64°F18°C | 6 mph10 km/h North | Partly Cloudy | |
| 1am | 61°F16°C | 6 mph9 km/h North | Mostly Clear | |
| 2am | 60°F16°C | 5 mph9 km/h North | Mostly Clear | |
| 3am | 59°F15°C | 5 mph9 km/h North | Mostly Clear | |
| 4am | 58°F14°C | 5 mph8 km/h North | Mostly Clear | |
| 5am | 57°F14°C | 5 mph8 km/h North | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 11 | 49°F10°C | 78°F26°C | 3 mph4 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 12 | 56°F13°C | 71°F22°C | 6 mph9 km/h from East | Mostly Clear | Clear |
| September 13 | 53°F11°C | 75°F24°C | 4 mph6 km/h from South | Mostly Clear | Partly Cloudy |
| September 14 | 59°F15°C | 76°F25°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 15 | 57°F14°C | 76°F24°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
| September 16 | 58°F15°C | 78°F26°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 57°F14°C | 77°F25°C | 5 mph8 km/h from East | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 72°F22°CWind: 6 mph9 km/h
Precipitation: None