No

you don't need a jacket based on the weather in Nashua, NH, USA 1 second ago

69°F21°C & Partly Cloudy

Wind is 6 mph9 km/h from the Northeast, gusting to 10 mph16 km/h
September 15
11am70°F21°C6 mph9 km/h NortheastClear
12pm73°F23°C5 mph8 km/h NortheastMostly Clear
1pm75°F24°C6 mph9 km/h EastMostly Clear
2pm75°F24°C7 mph11 km/h EastMostly Clear
3pm76°F24°C6 mph10 km/h EastMostly Clear
4pm75°F24°C6 mph10 km/h EastPartly Cloudy
5pm73°F23°C7 mph11 km/h EastMostly Clear
6pm71°F22°C6 mph10 km/h SoutheastMostly Cloudy
7pm67°F20°C5 mph8 km/h SoutheastMostly Clear
8pm64°F18°C4 mph6 km/h SoutheastMostly Clear
9pm62°F17°C3 mph4 km/h SoutheastMostly Clear
10pm60°F15°C2 mph3 km/h SouthMostly Clear
DateLowHighWindDayNight
September 1553°F11°C76°F24°C5 mph9 km/h from EastMostly ClearPartly Cloudy
September 1654°F12°C76°F24°C4 mph7 km/h from EastPartly CloudyMostly Cloudy
September 1752°F11°C72°F22°C3 mph5 km/h from SoutheastMostly CloudyCloudy
September 1860°F16°C78°F25°C2 mph4 km/h from WestPartly CloudyMostly Clear
September 1954°F12°C77°F25°C8 mph12 km/h from NorthwestMostly ClearClear
September 2048°F9°C69°F20°C2 mph4 km/h from SoutheastClearClear
September 2147°F8°C73°F23°C6 mph9 km/h from SouthMostly ClearMostly Clear

Yes

Low of 54°F12°C, High of 76°F25°C
Wind: 4 mph7 km/h
Precipitation: None

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