No
you don't need a jacket based on the weather in Mundelein, IL, USA 1 second ago
78°F26°C & Partly Cloudy
Wind is 2 mph4 km/h from the East, gusting to 7 mph11 km/h
| September 2 | ||||
| 3pm | 78°F26°C | 4 mph6 km/h East | Mostly Clear | |
| 4pm | 78°F26°C | 6 mph10 km/h East | Mostly Clear | |
| 5pm | 78°F25°C | 5 mph9 km/h East | Mostly Clear | |
| 6pm | 77°F25°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 7pm | 75°F24°C | 4 mph7 km/h East | Mostly Clear | |
| 8pm | 73°F23°C | 3 mph5 km/h East | Mostly Clear | |
| 9pm | 69°F21°C | 3 mph5 km/h East | Clear | |
| 10pm | 67°F19°C | 3 mph5 km/h South | Clear | |
| 11pm | 65°F18°C | 3 mph5 km/h South | Clear | |
| September 3 | ||||
| 12am | 63°F17°C | 4 mph6 km/h Southwest | Clear | |
| 1am | 62°F17°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 2am | 61°F16°C | 5 mph8 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 2 | 54°F12°C | 78°F26°C | 3 mph5 km/h from East | Mostly Clear | Mostly Clear |
| September 3 | 55°F13°C | 71°F22°C | 10 mph15 km/h from West | Rain | Drizzle |
| September 4 | 48°F9°C | 66°F19°C | 8 mph14 km/h from West | Partly Cloudy | Partly Cloudy |
| September 5 | 53°F12°C | 65°F18°C | 15 mph24 km/h from West | Partly Cloudy | Partly Cloudy |
| September 6 | 47°F9°C | 65°F18°C | 11 mph17 km/h from West | Partly Cloudy | Mostly Clear |
| September 7 | 47°F9°C | 69°F20°C | 6 mph10 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 8 | 50°F10°C | 73°F23°C | 6 mph9 km/h from South | Partly Cloudy | Partly Cloudy |
Yes
Low of 55°F13°C, High of 71°F22°CWind: 10 mph15 km/h
Precipitation: 59% rain