Yes

you do need a jacket based on the weather in Bloomington, IN, USA 1 second ago

Why? Because it's pretty chilly.
59°F15°C & Partly Cloudy

Wind is 9 mph14 km/h from the NW, gusting to 17 mph28 km/h
April 19
4pm59°F15°C9 mph15 km/h NWMostly Clear
5pm60°F15°C9 mph14 km/h NWMostly Clear
6pm59°F15°C8 mph13 km/h NWPartly Cloudy
7pm58°F14°C7 mph12 km/h NWMostly Cloudy
8pm55°F13°C5 mph9 km/h NWPartly Cloudy
9pm53°F12°C4 mph6 km/h NWPartly Cloudy
10pm50°F10°C4 mph6 km/h NWMostly Clear
11pm49°F9°C4 mph6 km/h NWPartly Cloudy
April 20
12am48°F9°C4 mph7 km/h WPartly Cloudy
1am47°F9°C5 mph8 km/h NWPartly Cloudy
2am46°F8°C5 mph8 km/h NWMostly Clear
3am45°F7°C5 mph8 km/h NWMostly Clear
DateLowHighWindDayNight
April 1948°F9°C62°F17°C9 mph15 km/h from NWMostly CloudyMostly Clear
April 2041°F5°C55°F13°C9 mph14 km/h from NWMostly ClearPartly Cloudy
April 2137°F3°C57°F14°C6 mph10 km/h from NWPartly CloudyClear
April 2238°F3°C64°F18°C4 mph7 km/h from SWClearMostly Cloudy
April 2346°F8°C66°F19°C11 mph18 km/h from SWMostly CloudyRain
April 2447°F8°C64°F18°C7 mph12 km/h from NPartly CloudyPartly Cloudy
April 2541°F5°C65°F18°C5 mph8 km/h from EMostly ClearPartly Cloudy

Yes

Low of 41°F5°C, High of 55°F13°C
Wind: 9 mph14 km/h
Precipitation: None

Support This Page