Yes
you do need a jacket based on the weather in Chicago, IL 60639, USA 1 second ago
Why? Because the cold's there, but it's just a reminder, not an invasion!
47°F9°C & Mostly Clear
Wind is 4 mph6 km/h from the Northwest, gusting to 8 mph13 km/h
| October 31 | ||||
| 1am | 46°F8°C | 4 mph7 km/h Northwest | Mostly Clear | |
| 2am | 45°F7°C | 5 mph8 km/h West | Mostly Clear | |
| 3am | 44°F7°C | 5 mph9 km/h Northwest | Mostly Cloudy | |
| 4am | 44°F6°C | 5 mph8 km/h Northwest | Cloudy | |
| 5am | 43°F6°C | 5 mph9 km/h Northwest | Cloudy | |
| 6am | 43°F6°C | 6 mph9 km/h West | Cloudy | |
| 7am | 43°F6°C | 7 mph11 km/h West | Cloudy | |
| 8am | 43°F6°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 9am | 43°F6°C | 7 mph12 km/h Northwest | Mostly Cloudy | |
| 10am | 42°F5°C | 8 mph12 km/h Northwest | Partly Cloudy | |
| 11am | 41°F5°C | 8 mph12 km/h Northwest | Mostly Clear | |
| 12pm | 40°F5°C | 8 mph13 km/h West | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 30 | 43°F6°C | 55°F13°C | 5 mph8 km/h from North | Mostly Clear | Mostly Cloudy |
| October 31 | 40°F5°C | 53°F12°C | 8 mph14 km/h from West | Partly Cloudy | Partly Cloudy |
| November 1 | 39°F4°C | 50°F10°C | 5 mph8 km/h from West | Mostly Cloudy | Partly Cloudy |
| November 2 | 37°F3°C | 53°F12°C | 6 mph10 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| November 3 | 41°F5°C | 57°F14°C | 11 mph18 km/h from West | Mostly Clear | Clear |
| November 4 | 37°F3°C | 58°F15°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| November 5 | 45°F7°C | 60°F16°C | 11 mph18 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 40°F5°C, High of 53°F12°CWind: 8 mph14 km/h
Precipitation: None