Yes
you do need a jacket based on the weather in Zion, IL 60099, USA 6 minutes ago
Why? Because it's cool. Pleasantly cool, but cool!
56°F14°C & Clear
Wind is 3 mph5 km/h from the Northwest, gusting to 7 mph12 km/h
| September 7 | ||||
| 10pm | 56°F13°C | 4 mph7 km/h Northwest | Clear | |
| 11pm | 54°F12°C | 4 mph6 km/h West | Clear | |
| September 8 | ||||
| 12am | 53°F12°C | 4 mph6 km/h West | Mostly Clear | |
| 1am | 52°F11°C | 4 mph7 km/h West | Clear | |
| 2am | 52°F11°C | 2 mph4 km/h West | Clear | |
| 3am | 51°F10°C | 4 mph7 km/h Southwest | Clear | |
| 4am | 49°F10°C | 5 mph9 km/h Southwest | Clear | |
| 5am | 49°F9°C | 5 mph8 km/h Southwest | Clear | |
| 6am | 48°F9°C | 5 mph8 km/h Southwest | Clear | |
| 7am | 48°F9°C | 5 mph8 km/h Southwest | Clear | |
| 8am | 49°F9°C | 5 mph8 km/h Southwest | Clear | |
| 9am | 53°F12°C | 6 mph9 km/h Southwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 44°F7°C | 68°F20°C | 4 mph6 km/h from Northwest | Mostly Clear | Clear |
| September 8 | 48°F9°C | 71°F22°C | 7 mph12 km/h from South | Clear | Mostly Clear |
| September 9 | 54°F12°C | 73°F23°C | 9 mph14 km/h from South | Mostly Cloudy | Partly Cloudy |
| September 10 | 56°F13°C | 75°F24°C | 5 mph8 km/h from South | Partly Cloudy | Partly Cloudy |
| September 11 | 61°F16°C | 74°F24°C | 7 mph12 km/h from East | Mostly Clear | Mostly Clear |
| September 12 | 60°F16°C | 77°F25°C | 6 mph10 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 13 | 64°F18°C | 78°F26°C | 8 mph13 km/h from Southwest | Rain | Drizzle |
Yes
Low of 48°F9°C, High of 72°F22°CWind: 7 mph12 km/h
Precipitation: None