Yes

you do need a jacket based on the weather in Reading, PA, USA 1 second ago

Why? Because there's a refreshing nip in the air and it's fairly windy outside!
45°F7°C & Clear

Wind is 9 mph15 km/h from the Northeast, gusting to 23 mph37 km/h
October 28
2pm46°F8°C10 mph16 km/h EastClear
3pm50°F10°C11 mph18 km/h EastMostly Clear
4pm53°F12°C11 mph18 km/h NortheastMostly Clear
5pm55°F13°C12 mph19 km/h NortheastMostly Clear
6pm56°F13°C13 mph20 km/h EastPartly Cloudy
7pm56°F14°C12 mph19 km/h EastMostly Cloudy
8pm56°F13°C12 mph19 km/h EastPartly Cloudy
9pm54°F12°C10 mph15 km/h EastPartly Cloudy
10pm52°F11°C7 mph11 km/h NortheastMostly Cloudy
11pm50°F10°C6 mph10 km/h NortheastMostly Cloudy
October 29
12am49°F9°C6 mph10 km/h NortheastMostly Cloudy
1am48°F9°C7 mph11 km/h NortheastPartly Cloudy
DateLowHighWindDayNight
October 2836°F2°C56°F14°C9 mph15 km/h from NortheastMostly ClearPartly Cloudy
October 2940°F5°C58°F15°C7 mph11 km/h from NortheastPartly CloudyRain
October 3047°F8°C61°F16°C14 mph22 km/h from EastRainRain
October 3146°F8°C55°F13°C16 mph25 km/h from WestWindyMostly Clear
November 143°F6°C54°F12°C10 mph16 km/h from WestPartly CloudyPartly Cloudy
November 239°F4°C53°F12°C6 mph9 km/h from NorthwestMostly CloudyPartly Cloudy
November 336°F2°C55°F13°C7 mph11 km/h from SouthwestPartly CloudyRain

Yes

Low of 40°F5°C, High of 58°F15°C
Wind: 7 mph11 km/h
Precipitation: None

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