Yes

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

Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
37°F3°C & Cloudy

Wind is 3 mph5 km/h from the South, gusting to 6 mph9 km/h
November 4
12pm37°F3°C4 mph6 km/h SouthCloudy
1pm38°F3°C4 mph7 km/h SouthCloudy
2pm42°F6°C4 mph7 km/h SouthMostly Cloudy
3pm48°F9°C7 mph11 km/h SouthMostly Cloudy
4pm53°F12°C9 mph15 km/h SouthMostly Cloudy
5pm58°F14°C11 mph18 km/h SouthMostly Cloudy
6pm61°F16°C12 mph20 km/h SouthPartly Cloudy
7pm64°F18°C13 mph22 km/h SouthMostly Clear
8pm66°F19°C14 mph23 km/h SouthMostly Clear
9pm66°F19°C14 mph23 km/h SouthClear
10pm64°F18°C13 mph21 km/h SouthClear
11pm61°F16°C12 mph19 km/h SouthClear
DateLowHighWindDayNight
November 436°F2°C66°F19°C11 mph17 km/h from SouthPartly CloudyClear
November 537°F3°C61°F16°C13 mph21 km/h from NorthwestClearMostly Clear
November 632°F0°C58°F14°C11 mph17 km/h from SouthMostly CloudyRain
November 744°F7°C62°F17°C13 mph20 km/h from WestPartly CloudyMostly Clear
November 840°F4°C54°F12°C6 mph9 km/h from SouthwestDrizzleRain
November 927°F-3°C43°F6°C15 mph25 km/h from NorthwestWindyMostly Clear
November 1023°F-5°C38°F3°C9 mph15 km/h from NorthwestClearMostly Clear

Yes

Low of 37°F3°C, High of 61°F16°C
Wind: 13 mph21 km/h
Precipitation: None

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