Yes
you do need a jacket based on the weather in Concord, MA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
51°F11°C & Cloudy
Wind is 4 mph6 km/h from the North, gusting to 9 mph15 km/h
| September 17 | ||||
| 5am | 51°F11°C | 4 mph7 km/h North | Cloudy | |
| 6am | 51°F10°C | 4 mph6 km/h North | Cloudy | |
| 7am | 51°F11°C | 3 mph5 km/h North | Cloudy | |
| 8am | 55°F13°C | 2 mph3 km/h North | Mostly Cloudy | |
| 9am | 60°F16°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| 10am | 65°F19°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| 11am | 69°F20°C | 5 mph7 km/h East | Mostly Cloudy | |
| 12pm | 71°F22°C | 5 mph8 km/h East | Mostly Cloudy | |
| 1pm | 72°F22°C | 5 mph8 km/h East | Mostly Cloudy | |
| 2pm | 73°F23°C | 6 mph9 km/h East | Mostly Cloudy | |
| 3pm | 73°F23°C | 6 mph9 km/h East | Mostly Cloudy | |
| 4pm | 72°F22°C | 5 mph9 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 49°F9°C | 73°F23°C | 5 mph8 km/h from East | Mostly Cloudy | Rain |
| September 18 | 60°F16°C | 76°F24°C | 3 mph4 km/h from West | Drizzle | Clear |
| September 19 | 54°F12°C | 75°F24°C | 7 mph11 km/h from Northwest | Mostly Clear | Clear |
| September 20 | 47°F8°C | 65°F18°C | 4 mph6 km/h from Northeast | Clear | Clear |
| September 21 | 46°F8°C | 70°F21°C | 5 mph8 km/h from South | Clear | Mostly Clear |
| September 22 | 52°F11°C | 75°F24°C | 6 mph9 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 23 | 58°F15°C | 80°F27°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
No
Low of 60°F16°C, High of 76°F25°CWind: 3 mph4 km/h
Precipitation: 38% rain