No

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

69°F20°C & Mostly Cloudy

Wind is 3 mph5 km/h from the West, gusting to 7 mph11 km/h
July 2
2am69°F20°C3 mph5 km/h WestCloudy
3am68°F20°C3 mph5 km/h WestCloudy
4am68°F20°C3 mph5 km/h WestCloudy
5am67°F20°C3 mph5 km/h NorthwestCloudy
6am67°F19°C3 mph5 km/h NorthwestCloudy
7am68°F20°C3 mph5 km/h NorthwestCloudy
8am71°F21°C3 mph5 km/h NorthwestPartly Cloudy
9am73°F23°C4 mph7 km/h NorthwestPartly Cloudy
10am75°F24°C6 mph9 km/h NorthMostly Cloudy
11am77°F25°C5 mph9 km/h NorthPartly Cloudy
12pm79°F26°C5 mph8 km/h NorthPartly Cloudy
1pm81°F27°C5 mph8 km/h NorthwestPartly Cloudy
DateLowHighWindDayNight
July 267°F19°C83°F29°C4 mph7 km/h from NorthwestPartly CloudyMostly Clear
July 363°F17°C82°F28°C6 mph10 km/h from NorthwestMostly ClearClear
July 460°F16°C80°F27°C5 mph8 km/h from NorthClearClear
July 559°F15°C83°F29°C3 mph5 km/h from SouthPartly CloudyPartly Cloudy
July 664°F18°C88°F31°C5 mph8 km/h from SouthMostly ClearMostly Clear
July 767°F19°C89°F32°C4 mph7 km/h from SouthwestPartly CloudyPartly Cloudy
July 870°F21°C87°F31°C4 mph6 km/h from NorthwestDrizzlePartly Cloudy

No

Low of 64°F18°C, High of 82°F28°C
Wind: 6 mph10 km/h
Precipitation: 28% rain

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