No

you don't need a jacket based on the weather in Barrington, IL 60010, USA 1 second ago

78°F25°C & Mostly Clear

Wind is 8 mph13 km/h from the East, gusting to 12 mph19 km/h
May 13
4pm78°F25°C8 mph14 km/h EastPartly Cloudy
5pm78°F25°C9 mph14 km/h EastPartly Cloudy
6pm77°F25°C10 mph15 km/h EastMostly Clear
7pm75°F24°C10 mph16 km/h EastMostly Clear
8pm72°F22°C9 mph15 km/h EastMostly Clear
9pm68°F20°C8 mph13 km/h EastMostly Clear
10pm64°F18°C6 mph10 km/h EastMostly Cloudy
11pm61°F16°C6 mph9 km/h EastMostly Cloudy
May 14
12am59°F15°C5 mph8 km/h EastCloudy
1am58°F15°C4 mph7 km/h EastCloudy
2am58°F14°C4 mph6 km/h EastCloudy
3am57°F14°C3 mph5 km/h NortheastCloudy
DateLowHighWindDayNight
May 1358°F15°C78°F25°C6 mph9 km/h from EastPartly CloudyMostly Cloudy
May 1456°F14°C78°F25°C6 mph9 km/h from EastPartly CloudyPartly Cloudy
May 1558°F14°C87°F31°C12 mph19 km/h from SouthPartly CloudyMostly Clear
May 1663°F17°C85°F29°C16 mph26 km/h from SouthwestWindyPartly Cloudy
May 1757°F14°C71°F22°C17 mph28 km/h from WestWindyMostly Clear
May 1848°F9°C64°F18°C8 mph12 km/h from NorthPartly CloudyMostly Clear
May 1944°F7°C60°F16°C11 mph17 km/h from NortheastMostly CloudyCloudy

Yes

Low of 56°F14°C, High of 78°F26°C
Wind: 6 mph9 km/h
Precipitation: 20% rain

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