Yes

you do need a jacket based on the weather in Galena, IL 61036, USA 1 second ago

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
39°F4°C & Mostly Cloudy

Wind is 2 mph4 km/h from the Southwest, gusting to 6 mph9 km/h
November 4
4am39°F4°C3 mph4 km/h SouthwestMostly Cloudy
5am39°F4°C3 mph5 km/h SouthwestCloudy
6am38°F3°C4 mph6 km/h SouthwestCloudy
7am38°F3°C4 mph6 km/h SouthwestCloudy
8am38°F3°C3 mph5 km/h SouthCloudy
9am38°F3°C3 mph5 km/h SouthCloudy
10am38°F3°C4 mph6 km/h SouthCloudy
11am37°F3°C3 mph5 km/h SouthMostly Cloudy
12pm36°F2°C4 mph6 km/h SouthMostly Cloudy
1pm36°F2°C4 mph7 km/h SouthPartly Cloudy
2pm40°F4°C4 mph6 km/h SoutheastMostly Cloudy
3pm46°F8°C5 mph8 km/h SoutheastPartly Cloudy
DateLowHighWindDayNight
November 338°F3°C61°F16°C8 mph13 km/h from NorthwestClearMostly Cloudy
November 436°F2°C62°F17°C9 mph14 km/h from SouthMostly ClearMostly Clear
November 536°F2°C57°F14°C13 mph21 km/h from NorthwestClearMostly Clear
November 632°F0°C55°F13°C11 mph18 km/h from SoutheastCloudyRain
November 741°F5°C54°F12°C12 mph19 km/h from NorthwestDrizzleMostly Cloudy
November 835°F2°C47°F8°C6 mph9 km/h from SoutheastRainRain
November 927°F-3°C39°F4°C15 mph23 km/h from NorthwestMostly CloudyPartly Cloudy

Yes

Low of 36°F2°C, High of 62°F17°C
Wind: 9 mph14 km/h
Precipitation: None

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