Yes

you do need a jacket based on the weather in Abington, PA 19001, USA 1 second ago

Why? Because it's cool. Pleasantly cool, but cool and the wind is harsh and biting!
52°F11°C & Cloudy

Wind is 9 mph14 km/h from the Northeast, gusting to 22 mph36 km/h
October 30
1am52°F11°C10 mph16 km/h EastCloudy
2am51°F11°C10 mph17 km/h EastCloudy
3am51°F10°C11 mph17 km/h EastDrizzle
4am51°F11°C11 mph18 km/h NortheastCloudy
5am51°F11°C12 mph19 km/h EastCloudy
6am52°F11°C11 mph18 km/h EastCloudy
7am52°F11°C13 mph21 km/h EastDrizzle
8am53°F12°C14 mph22 km/h EastDrizzle
9am54°F12°C15 mph24 km/h EastDrizzle
10am54°F12°C16 mph26 km/h EastRain
11am55°F13°C16 mph25 km/h EastRain
12pm55°F13°C16 mph26 km/h EastRain
DateLowHighWindDayNight
October 2946°F8°C56°F13°C4 mph7 km/h from NortheastMostly CloudyRain
October 3051°F11°C64°F18°C13 mph22 km/h from SoutheastHeavy RainRain
October 3147°F8°C55°F13°C17 mph27 km/h from WestWindyMostly Clear
November 144°F7°C56°F14°C11 mph17 km/h from WestPartly CloudyMostly Clear
November 240°F4°C57°F14°C3 mph5 km/h from WestPartly CloudyMostly Clear
November 340°F4°C60°F16°C6 mph10 km/h from SouthwestPartly CloudyMostly Clear
November 443°F6°C59°F15°C11 mph18 km/h from WestMostly ClearClear

Yes

Low of 51°F11°C, High of 64°F18°C
Wind: 13 mph22 km/h
Precipitation: 95% rain

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