Yes

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

Why? Because there's a refreshing nip in the air and the wind could blow a wig clean off your head!
47°F8°C & Clear

Wind is 9 mph15 km/h from the West, gusting to 24 mph38 km/h
November 4
2pm50°F10°C12 mph19 km/h WestClear
3pm53°F12°C13 mph22 km/h NorthwestClear
4pm55°F13°C14 mph22 km/h NorthwestClear
5pm57°F14°C14 mph22 km/h NorthwestClear
6pm58°F15°C15 mph24 km/h NorthwestClear
7pm59°F15°C14 mph23 km/h NorthwestClear
8pm58°F15°C12 mph19 km/h WestClear
9pm57°F14°C10 mph16 km/h WestClear
10pm54°F12°C7 mph11 km/h WestClear
11pm51°F10°C6 mph10 km/h WestClear
November 5
12am48°F9°C6 mph9 km/h WestClear
1am46°F8°C6 mph9 km/h WestClear
DateLowHighWindDayNight
November 441°F5°C59°F15°C11 mph18 km/h from WestClearMostly Clear
November 536°F2°C62°F17°C9 mph14 km/h from SouthwestPartly CloudyMostly Clear
November 636°F2°C51°F11°C10 mph16 km/h from NorthwestPartly CloudyPartly Cloudy
November 733°F0°C55°F13°C9 mph15 km/h from SouthMostly CloudyDrizzle
November 844°F7°C60°F16°C9 mph14 km/h from WestPartly CloudyPartly Cloudy
November 942°F6°C57°F14°C6 mph9 km/h from SoutheastRainMostly Cloudy
November 1030°F-1°C48°F9°C11 mph18 km/h from NorthwestPartly CloudyMostly Clear

Yes

Low of 37°F3°C, High of 63°F17°C
Wind: 9 mph14 km/h
Precipitation: None

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