Yes

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

Why? Because it's not very warm out!
51°F10°C & Cloudy

Wind is 2 mph4 km/h from the Northeast, gusting to 6 mph10 km/h
November 9
2am50°F10°C3 mph5 km/h NortheastCloudy
3am50°F10°C6 mph9 km/h EastCloudy
4am49°F9°C4 mph6 km/h EastCloudy
5am48°F9°C6 mph9 km/h EastPartly Cloudy
6am48°F9°C4 mph6 km/h SouthCloudy
7am47°F8°C4 mph7 km/h WestDrizzle
8am47°F8°C5 mph8 km/h SoutheastDrizzle
9am47°F8°C4 mph7 km/h WestDrizzle
10am46°F8°C7 mph11 km/h WestCloudy
11am45°F7°C9 mph14 km/h WestCloudy
12pm44°F7°C10 mph17 km/h WestCloudy
1pm43°F6°C11 mph18 km/h WestCloudy
DateLowHighWindDayNight
November 840°F5°C59°F15°C2 mph3 km/h from NorthwestPartly CloudyDrizzle
November 928°F-2°C48°F9°C13 mph21 km/h from NorthwestCloudyMostly Cloudy
November 1024°F-4°C38°F3°C10 mph16 km/h from NorthwestFlurriesMostly Clear
November 1124°F-4°C44°F7°C11 mph17 km/h from SouthwestMostly CloudyMostly Clear
November 1240°F5°C58°F15°C10 mph16 km/h from WestMostly ClearPartly Cloudy
November 1337°F3°C56°F14°C4 mph6 km/h from WestMostly ClearMostly Clear
November 1442°F5°C61°F16°C5 mph7 km/h from SouthPartly CloudyMostly Cloudy

Yes

Low of 28°F-2°C, High of 48°F9°C
Wind: 13 mph21 km/h
Precipitation: None

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