Yes

you do need a jacket based on the weather in Philadelphia (Roxborough), Pennsylvania, United States 1 second ago

Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
43°F6°C & Clear

Wind is 7 mph11 km/h from the West, gusting to 18 mph29 km/h
November 4
12pm43°F6°C8 mph13 km/h WestClear
1pm47°F8°C9 mph15 km/h WestClear
2pm51°F10°C11 mph17 km/h WestClear
3pm54°F12°C12 mph20 km/h NorthwestClear
4pm56°F13°C13 mph21 km/h NorthwestClear
5pm58°F14°C14 mph22 km/h NorthwestClear
6pm58°F15°C13 mph21 km/h NorthwestClear
7pm59°F15°C12 mph20 km/h NorthwestClear
8pm59°F15°C12 mph19 km/h WestClear
9pm58°F14°C9 mph15 km/h WestClear
10pm55°F13°C7 mph11 km/h WestClear
11pm52°F11°C6 mph10 km/h WestClear
DateLowHighWindDayNight
November 443°F6°C59°F15°C11 mph17 km/h from WestClearClear
November 540°F4°C63°F17°C10 mph16 km/h from SouthwestPartly CloudyMostly Clear
November 639°F4°C53°F12°C10 mph16 km/h from NorthwestMostly ClearPartly Cloudy
November 736°F2°C57°F14°C10 mph16 km/h from SouthMostly CloudyDrizzle
November 847°F8°C61°F16°C7 mph12 km/h from WestPartly CloudyPartly Cloudy
November 944°F7°C63°F17°C6 mph9 km/h from SouthRainMostly Cloudy
November 1031°F-0°C51°F11°C11 mph17 km/h from NorthwestMostly ClearClear

Yes

Low of 39°F4°C, High of 64°F18°C
Wind: 10 mph16 km/h
Precipitation: None

Support This Page