No
you don't need a jacket based on the weather in Groton, MA, USA 1 second ago
86°F30°C & Mostly Clear
Wind is 6 mph9 km/h from the West, gusting to 13 mph21 km/h
| July 30 | ||||
| 8pm | 84°F29°C | 5 mph8 km/h West | Mostly Clear | |
| 9pm | 80°F27°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 10pm | 78°F26°C | 5 mph8 km/h Northwest | Clear | |
| 11pm | 76°F25°C | 3 mph6 km/h Northwest | Mostly Clear | |
| July 31 | ||||
| 12am | 74°F24°C | 4 mph6 km/h North | Mostly Clear | |
| 1am | 74°F23°C | 4 mph6 km/h North | Mostly Clear | |
| 2am | 72°F22°C | 4 mph7 km/h North | Mostly Cloudy | |
| 3am | 71°F22°C | 4 mph6 km/h North | Mostly Cloudy | |
| 4am | 70°F21°C | 4 mph6 km/h North | Mostly Cloudy | |
| 5am | 70°F21°C | 5 mph7 km/h North | Mostly Cloudy | |
| 6am | 70°F21°C | 5 mph8 km/h North | Mostly Cloudy | |
| 7am | 71°F22°C | 5 mph8 km/h North | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 30 | 68°F20°C | 94°F35°C | 3 mph4 km/h from West | Mostly Clear | Partly Cloudy |
| July 31 | 62°F16°C | 74°F24°C | 6 mph9 km/h from Northeast | Rain | Rain |
| August 1 | 59°F15°C | 69°F20°C | 7 mph12 km/h from Northeast | Rain | Mostly Clear |
| August 2 | 56°F13°C | 76°F24°C | 4 mph6 km/h from North | Mostly Clear | Clear |
| August 3 | 55°F13°C | 82°F28°C | 5 mph8 km/h from Southwest | Clear | Clear |
| August 4 | 62°F17°C | 84°F29°C | 3 mph5 km/h from Southwest | Mostly Clear | Partly Cloudy |
| August 5 | 62°F17°C | 82°F28°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Cloudy |
No
Low of 62°F17°C, High of 74°F24°CWind: 6 mph9 km/h
Precipitation: 76% rain