No

you don't need a jacket based on the weather in Allentown, PA, USA 1 second ago

72°F22°C & Clear

Wind is 2 mph3 km/h from the Southwest, gusting to 2 mph4 km/h
July 3
1am71°F22°C2 mph3 km/h WestClear
2am70°F21°C2 mph3 km/h WestClear
3am69°F20°C2 mph3 km/h WestMostly Clear
4am67°F20°C2 mph3 km/h WestPartly Cloudy
5am67°F19°C2 mph3 km/h NorthwestPartly Cloudy
6am67°F19°C1 mph2 km/h NorthMostly Clear
7am68°F20°C2 mph3 km/h NorthwestClear
8am71°F22°C2 mph3 km/h NorthwestClear
9am75°F24°C3 mph4 km/h NorthwestClear
10am79°F26°C4 mph6 km/h WestClear
11am81°F27°C5 mph8 km/h WestClear
12pm82°F28°C6 mph10 km/h WestMostly Clear
DateLowHighWindDayNight
July 367°F19°C84°F29°C6 mph10 km/h from WestMostly ClearClear
July 462°F17°C81°F27°C5 mph8 km/h from NorthwestClearMostly Clear
July 559°F15°C85°F29°C3 mph6 km/h from SouthwestMostly ClearMostly Clear
July 666°F19°C87°F31°C6 mph10 km/h from SouthwestPartly CloudyMostly Clear
July 768°F20°C88°F31°C6 mph9 km/h from SouthwestPartly CloudyDrizzle
July 873°F23°C86°F30°C5 mph7 km/h from NorthDrizzleDrizzle
July 970°F21°C84°F29°C5 mph8 km/h from NortheastPartly CloudyMostly Cloudy

No

Low of 62°F17°C, High of 82°F28°C
Wind: 5 mph8 km/h
Precipitation: None

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