Yes
you do need a jacket based on the weather in Oak Park, IL, USA 1 second ago
Why? Because it's pretty chilly.
58°F15°C & Clear
Wind is 4 mph6 km/h from the SW, gusting to 7 mph12 km/h
| May 17 | ||||
| 7am | 58°F15°C | 4 mph6 km/h SW | Partly Cloudy | |
| 8am | 60°F15°C | 4 mph7 km/h SW | Partly Cloudy | |
| 9am | 62°F17°C | 4 mph6 km/h SW | Partly Cloudy | |
| 10am | 66°F19°C | 3 mph5 km/h W | Mostly Clear | |
| 11am | 69°F21°C | 2 mph4 km/h W | Mostly Clear | |
| 12pm | 74°F23°C | 2 mph4 km/h NW | Clear | |
| 1pm | 77°F25°C | 2 mph4 km/h N | Mostly Clear | |
| 2pm | 78°F26°C | 3 mph5 km/h NE | Mostly Clear | |
| 3pm | 79°F26°C | 5 mph8 km/h E | Mostly Clear | |
| 4pm | 79°F26°C | 6 mph9 km/h E | Mostly Clear | |
| 5pm | 79°F26°C | 7 mph11 km/h E | Mostly Clear | |
| 6pm | 77°F25°C | 7 mph11 km/h E | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 17 | 58°F15°C | 79°F26°C | 4 mph7 km/h from NE | Mostly Clear | Mostly Clear |
| May 18 | 57°F14°C | 85°F29°C | 5 mph8 km/h from S | Mostly Clear | Mostly Clear |
| May 19 | 61°F16°C | 80°F26°C | 7 mph11 km/h from NE | Mostly Clear | Mostly Cloudy |
| May 20 | 61°F16°C | 87°F30°C | 11 mph17 km/h from S | Partly Cloudy | Rain |
| May 21 | 65°F19°C | 81°F27°C | 9 mph15 km/h from S | Thunderstorms | Thunderstorms |
| May 22 | 59°F15°C | 76°F25°C | 11 mph18 km/h from W | Partly Cloudy | Partly Cloudy |
| May 23 | 56°F13°C | 72°F22°C | 11 mph17 km/h from W | Mostly Clear | Mostly Clear |
Yes
Low of 57°F14°C, High of 85°F30°CWind: 5 mph8 km/h
Precipitation: None