Yes

you do need a jacket based on the weather in Plymouth, MA, USA 23 minutes ago

Why? Because it's so windy, even the squirrels are holding onto branches for dear life!
61°F16°C & Windy

Wind is 15 mph24 km/h from the North, gusting to 22 mph35 km/h
September 20
4am60°F15°C15 mph24 km/h NortheastClear
5am59°F15°C14 mph23 km/h NortheastClear
6am59°F15°C14 mph22 km/h NortheastClear
7am58°F15°C14 mph22 km/h NortheastClear
8am60°F15°C13 mph20 km/h NortheastClear
9am61°F16°C12 mph19 km/h NortheastClear
10am62°F17°C11 mph17 km/h NortheastClear
11am63°F17°C10 mph17 km/h NortheastClear
12pm64°F18°C10 mph16 km/h NortheastClear
1pm64°F18°C9 mph15 km/h NortheastClear
2pm65°F18°C8 mph14 km/h NortheastClear
3pm64°F18°C8 mph13 km/h NortheastClear
DateLowHighWindDayNight
September 2055°F13°C65°F18°C9 mph15 km/h from NortheastClearClear
September 2153°F12°C66°F19°C8 mph13 km/h from EastPartly CloudyPartly Cloudy
September 2254°F12°C70°F21°C5 mph8 km/h from SoutheastMostly ClearPartly Cloudy
September 2359°F15°C78°F25°C9 mph15 km/h from SouthwestPartly CloudyDrizzle
September 2462°F17°C71°F22°C8 mph12 km/h from NorthCloudyPartly Cloudy
September 2561°F16°C66°F19°C10 mph16 km/h from NortheastMostly CloudyPartly Cloudy
September 2658°F14°C71°F22°C8 mph12 km/h from SouthwestRainMostly Cloudy

Yes

Low of 53°F12°C, High of 65°F19°C
Wind: 8 mph13 km/h
Precipitation: None

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