Yes

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

Why? Because the air feels like the cozy middle ground between summer and winter!
55°F13°C & Cloudy

Wind is 4 mph7 km/h from the East, gusting to 7 mph12 km/h
October 25
10pm53°F12°C4 mph6 km/h EastCloudy
11pm51°F10°C5 mph7 km/h EastCloudy
October 26
12am48°F9°C3 mph5 km/h EastCloudy
1am47°F8°C4 mph6 km/h EastCloudy
2am45°F7°C4 mph7 km/h EastMostly Cloudy
3am44°F7°C5 mph8 km/h EastMostly Cloudy
4am44°F6°C4 mph7 km/h EastPartly Cloudy
5am43°F6°C5 mph7 km/h EastPartly Cloudy
6am42°F5°C5 mph8 km/h EastPartly Cloudy
7am41°F5°C5 mph8 km/h EastPartly Cloudy
8am40°F4°C5 mph9 km/h EastMostly Clear
9am39°F4°C5 mph9 km/h EastMostly Clear
DateLowHighWindDayNight
October 2531°F-1°C56°F13°C3 mph4 km/h from EastPartly CloudyPartly Cloudy
October 2638°F3°C59°F15°C9 mph15 km/h from EastClearClear
October 2737°F3°C57°F14°C11 mph17 km/h from EastMostly ClearMostly Clear
October 2840°F5°C56°F14°C11 mph17 km/h from EastMostly CloudyMostly Cloudy
October 2941°F5°C55°F13°C14 mph23 km/h from EastMostly CloudyDrizzle
October 3040°F5°C53°F11°C12 mph19 km/h from NorthMostly CloudyDrizzle
October 3141°F5°C51°F10°C12 mph20 km/h from WestDrizzleMostly Cloudy

Yes

Low of 38°F4°C, High of 59°F15°C
Wind: 9 mph15 km/h
Precipitation: None

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