Yes

you do need a jacket based on the weather in Dartmouth (Smith Mills), Massachusetts, United States 1 second ago

Why? Because it's so windy, even the squirrels are holding onto branches for dear life!
71°F22°C & Clear

Wind is 9 mph15 km/h from the Southwest, gusting to 21 mph33 km/h
July 25
12am71°F22°C9 mph15 km/h SouthwestClear
1am71°F22°C10 mph16 km/h SouthwestClear
2am71°F22°C10 mph17 km/h SouthwestMostly Clear
3am71°F22°C10 mph16 km/h SouthwestClear
4am71°F22°C10 mph16 km/h SouthwestClear
5am71°F22°C9 mph15 km/h SouthwestClear
6am72°F22°C9 mph15 km/h SouthwestClear
7am74°F23°C10 mph16 km/h SouthwestClear
8am77°F25°C10 mph17 km/h SouthwestMostly Clear
9am80°F26°C10 mph16 km/h SouthwestMostly Clear
10am82°F28°C10 mph16 km/h SouthwestMostly Clear
11am85°F29°C11 mph17 km/h SouthwestMostly Clear
DateLowHighWindDayNight
July 2465°F18°C82°F28°C8 mph13 km/h from SouthwestMostly ClearClear
July 2571°F22°C88°F31°C11 mph17 km/h from SouthwestPartly CloudyPartly Cloudy
July 2667°F19°C80°F27°C8 mph13 km/h from NortheastMostly CloudyMostly Cloudy
July 2765°F18°C77°F25°C7 mph11 km/h from SouthMostly CloudyPartly Cloudy
July 2868°F20°C83°F28°C6 mph9 km/h from SouthMostly ClearMostly Clear
July 2969°F20°C86°F30°C9 mph14 km/h from SouthwestMostly ClearMostly Clear
July 3071°F22°C84°F29°C6 mph9 km/h from SouthwestMostly ClearMostly Cloudy

No

Low of 71°F22°C, High of 89°F32°C
Wind: 11 mph17 km/h
Precipitation: 33% rain

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