Yes
you do need a jacket based on the weather in Cambridge, MA, USA 4 minutes ago
Why? Because just cool enough for a jacket, but not warm enough to ditch it!
56°F13°C & Clear
Wind is 2 mph4 km/h from the Northwest, gusting to 8 mph13 km/h
| September 15 | ||||
| 6am | 56°F13°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 7am | 56°F14°C | 4 mph6 km/h North | Mostly Clear | |
| 8am | 60°F16°C | 5 mph8 km/h North | Mostly Clear | |
| 9am | 64°F18°C | 6 mph10 km/h Northeast | Mostly Clear | |
| 10am | 68°F20°C | 6 mph10 km/h Northeast | Mostly Clear | |
| 11am | 71°F22°C | 7 mph11 km/h Northeast | Partly Cloudy | |
| 12pm | 73°F23°C | 7 mph11 km/h Northeast | Partly Cloudy | |
| 1pm | 74°F23°C | 8 mph12 km/h East | Partly Cloudy | |
| 2pm | 74°F23°C | 8 mph13 km/h East | Mostly Clear | |
| 3pm | 73°F23°C | 8 mph12 km/h East | Mostly Clear | |
| 4pm | 72°F22°C | 8 mph12 km/h East | Mostly Clear | |
| 5pm | 71°F21°C | 7 mph11 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 56°F13°C | 74°F23°C | 7 mph11 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| September 16 | 57°F14°C | 73°F23°C | 5 mph8 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 17 | 57°F14°C | 71°F21°C | 4 mph7 km/h from East | Mostly Cloudy | Cloudy |
| September 18 | 62°F17°C | 74°F23°C | 4 mph6 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| September 19 | 59°F15°C | 79°F26°C | 7 mph12 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 52°F11°C | 67°F19°C | 4 mph7 km/h from Northeast | Clear | Mostly Clear |
| September 21 | 51°F11°C | 71°F22°C | 6 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
Yes
Low of 57°F14°C, High of 73°F23°CWind: 5 mph8 km/h
Precipitation: None