No

you don't need a jacket based on the weather in Portsmouth, NH 03801, USA 1 second ago

59°F15°C & Clear

Wind is 7 mph12 km/h from the Southwest, gusting to 12 mph20 km/h
October 10
2pm60°F15°C8 mph12 km/h SouthwestClear
3pm61°F16°C8 mph13 km/h SouthwestClear
4pm61°F16°C8 mph13 km/h SouthwestClear
5pm60°F15°C8 mph13 km/h SouthwestClear
6pm56°F14°C7 mph11 km/h SouthwestClear
7pm54°F12°C7 mph11 km/h SouthClear
8pm52°F11°C7 mph11 km/h SouthwestClear
9pm50°F10°C8 mph12 km/h SouthwestClear
10pm49°F9°C8 mph13 km/h SouthwestClear
11pm48°F9°C8 mph13 km/h SouthwestClear
October 11
12am47°F8°C8 mph12 km/h SouthwestMostly Clear
1am46°F8°C7 mph12 km/h SouthwestMostly Clear
DateLowHighWindDayNight
October 1034°F1°C61°F16°C5 mph9 km/h from SouthwestClearMostly Clear
October 1145°F7°C63°F17°C5 mph9 km/h from SouthPartly CloudyMostly Cloudy
October 1250°F10°C60°F15°C13 mph21 km/h from NortheastDrizzleRain
October 1351°F11°C55°F13°C21 mph34 km/h from NortheastRainRain
October 1451°F10°C55°F13°C13 mph21 km/h from NortheastDrizzleDrizzle
October 1549°F9°C61°F16°C6 mph9 km/h from NorthRainRain
October 1644°F7°C52°F11°C11 mph17 km/h from NorthDrizzleDrizzle

Yes

Low of 45°F7°C, High of 64°F18°C
Wind: 5 mph9 km/h
Precipitation: None

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