Yes
you do need a jacket based on the weather in Gurnee, IL, USA 1 second ago
Why? Because it's cold enough that makes you wish you had a hat, but you're still too proud to admit it and it's fairly windy outside!
47°F8°C & Partly Cloudy
Wind is 12 mph20 km/h from the Northeast, gusting to 25 mph40 km/h
| May 8 | ||||
| 8am | 47°F8°C | 13 mph20 km/h Northeast | Mostly Clear | |
| 9am | 49°F9°C | 14 mph22 km/h Northeast | Mostly Clear | |
| 10am | 50°F10°C | 14 mph23 km/h Northeast | Mostly Clear | |
| 11am | 51°F11°C | 14 mph23 km/h Northeast | Mostly Clear | |
| 12pm | 53°F12°C | 15 mph24 km/h Northeast | Mostly Clear | |
| 1pm | 54°F12°C | 16 mph25 km/h Northeast | Windy | |
| 2pm | 55°F13°C | 15 mph25 km/h Northeast | Windy | |
| 3pm | 56°F13°C | 16 mph25 km/h Northeast | Windy | |
| 4pm | 56°F14°C | 16 mph25 km/h Northeast | Windy | |
| 5pm | 56°F13°C | 15 mph25 km/h Northeast | Windy | |
| 6pm | 55°F13°C | 15 mph24 km/h Northeast | Clear | |
| 7pm | 53°F11°C | 14 mph22 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 8 | 41°F5°C | 56°F14°C | 15 mph24 km/h from Northeast | Clear | Clear |
| May 9 | 39°F4°C | 60°F15°C | 6 mph9 km/h from East | Mostly Clear | Clear |
| May 10 | 46°F8°C | 69°F21°C | 11 mph17 km/h from North | Mostly Clear | Clear |
| May 11 | 44°F7°C | 69°F20°C | 6 mph10 km/h from East | Clear | Clear |
| May 12 | 54°F12°C | 73°F23°C | 8 mph12 km/h from Southeast | Mostly Clear | Mostly Cloudy |
| May 13 | 56°F14°C | 70°F21°C | 6 mph10 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| May 14 | 55°F13°C | 73°F23°C | 8 mph12 km/h from Southeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 38°F4°C, High of 60°F16°CWind: 6 mph9 km/h
Precipitation: None