Yes

you do need a jacket based on the weather in Macomb, IL 61455, USA 1 second ago

Why? Because it's on the windy side!
65°F18°C & Clear

Wind is 14 mph22 km/h from the West, gusting to 24 mph38 km/h
November 7
7pm65°F18°C14 mph22 km/h WestMostly Clear
8pm65°F18°C15 mph25 km/h WestWindy
9pm65°F18°C15 mph24 km/h WestWindy
10pm64°F18°C13 mph21 km/h WestClear
11pm60°F16°C9 mph15 km/h WestMostly Clear
November 8
12am57°F14°C8 mph14 km/h WestMostly Clear
1am54°F12°C8 mph13 km/h WestClear
2am53°F11°C8 mph13 km/h WestClear
3am51°F10°C8 mph13 km/h NorthwestClear
4am49°F10°C8 mph14 km/h NorthwestMostly Clear
5am48°F9°C8 mph13 km/h NorthwestMostly Clear
6am46°F8°C8 mph13 km/h NorthwestClear
DateLowHighWindDayNight
November 746°F8°C65°F18°C12 mph19 km/h from WestMostly ClearMostly Clear
November 838°F4°C50°F10°C5 mph8 km/h from NortheastRainRain
November 927°F-3°C38°F4°C17 mph28 km/h from NorthwestWindyMostly Clear
November 1024°F-4°C39°F4°C12 mph19 km/h from NorthwestClearMostly Cloudy
November 1126°F-4°C50°F10°C13 mph21 km/h from SouthwestMostly CloudyMostly Clear
November 1238°F3°C56°F13°C13 mph21 km/h from WestMostly ClearMostly Clear
November 1333°F0°C53°F12°C8 mph13 km/h from WestMostly ClearMostly Clear

Yes

Low of 38°F4°C, High of 50°F10°C
Wind: 5 mph8 km/h
Precipitation: 68% rain

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