Yes
you do need a jacket based on the weather in Marlborough, MA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
56°F13°C & Partly Cloudy
Wind is 4 mph6 km/h from the West, gusting to 7 mph12 km/h
| September 3 | ||||
| 3am | 56°F13°C | 4 mph6 km/h West | Partly Cloudy | |
| 4am | 55°F13°C | 4 mph6 km/h West | Clear | |
| 5am | 54°F12°C | 4 mph6 km/h Southwest | Clear | |
| 6am | 54°F12°C | 4 mph6 km/h Southwest | Clear | |
| 7am | 55°F13°C | 3 mph6 km/h Southwest | Clear | |
| 8am | 60°F16°C | 3 mph5 km/h Southwest | Clear | |
| 9am | 66°F19°C | 3 mph5 km/h Southwest | Clear | |
| 10am | 70°F21°C | 3 mph6 km/h Southwest | Clear | |
| 11am | 73°F23°C | 3 mph6 km/h South | Clear | |
| 12pm | 75°F24°C | 4 mph6 km/h South | Mostly Clear | |
| 1pm | 76°F24°C | 4 mph6 km/h South | Mostly Clear | |
| 2pm | 77°F25°C | 4 mph7 km/h South | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 3 | 54°F12°C | 77°F25°C | 4 mph7 km/h from South | Mostly Clear | Clear |
| September 4 | 55°F13°C | 78°F26°C | 6 mph10 km/h from South | Mostly Clear | Partly Cloudy |
| September 5 | 62°F17°C | 81°F27°C | 10 mph16 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 6 | 65°F18°C | 84°F29°C | 10 mph17 km/h from South | Partly Cloudy | Rain |
| September 7 | 56°F13°C | 68°F20°C | 4 mph7 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 8 | 52°F11°C | 70°F21°C | 5 mph9 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 9 | 49°F10°C | 69°F21°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
Yes
Low of 55°F13°C, High of 78°F26°CWind: 6 mph10 km/h
Precipitation: None