Yes
you do need a jacket based on the weather in Chester, IL 62233, USA 1 second ago
Why? Because it's pretty chilly.
53°F11°C & Clear
Wind is 4 mph7 km/h from the N, gusting to 10 mph16 km/h
| September 8 | ||||
| 2am | 52°F11°C | 5 mph7 km/h N | Clear | |
| 3am | 51°F10°C | 4 mph7 km/h N | Clear | |
| 4am | 49°F10°C | 4 mph7 km/h N | Clear | |
| 5am | 48°F9°C | 4 mph7 km/h N | Clear | |
| 6am | 47°F8°C | 4 mph6 km/h N | Clear | |
| 7am | 46°F8°C | 4 mph6 km/h N | Clear | |
| 8am | 47°F8°C | 3 mph6 km/h N | Clear | |
| 9am | 52°F11°C | 3 mph5 km/h N | Clear | |
| 10am | 57°F14°C | 3 mph5 km/h NE | Clear | |
| 11am | 63°F17°C | 4 mph6 km/h E | Clear | |
| 12pm | 67°F19°C | 4 mph6 km/h NE | Clear | |
| 1pm | 70°F21°C | 4 mph6 km/h NE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 8 | 46°F8°C | 76°F24°C | 4 mph6 km/h from NE | Clear | Clear |
| September 9 | 48°F9°C | 82°F28°C | 2 mph4 km/h from E | Clear | Clear |
| September 10 | 51°F11°C | 87°F31°C | 4 mph7 km/h from SE | Clear | Clear |
| September 11 | 59°F15°C | 88°F31°C | 5 mph9 km/h from SE | Mostly Clear | Partly Cloudy |
| September 12 | 60°F16°C | 85°F30°C | 8 mph13 km/h from SE | Partly Cloudy | Partly Cloudy |
| September 13 | 60°F15°C | 82°F28°C | 9 mph14 km/h from NE | Rain | Mostly Clear |
| September 14 | 60°F16°C | 85°F29°C | 4 mph6 km/h from NE | Partly Cloudy | Mostly Clear |
Yes
Low of 47°F9°C, High of 82°F28°CWind: 2 mph4 km/h
Precipitation: None