Yes
you do need a jacket based on the weather in Tinley Park, IL, USA 1 second ago
Why? Because it's fairly windy outside!
85°F30°C & Windy
Wind is 15 mph24 km/h from the South, gusting to 23 mph37 km/h
| May 15 | ||||
| 3pm | 88°F31°C | 15 mph24 km/h South | Windy | |
| 4pm | 90°F32°C | 16 mph26 km/h South | Windy | |
| 5pm | 91°F33°C | 16 mph26 km/h South | Windy | |
| 6pm | 89°F31°C | 17 mph27 km/h South | Windy | |
| 7pm | 86°F30°C | 16 mph26 km/h South | Windy | |
| 8pm | 80°F26°C | 15 mph24 km/h Southwest | Partly Cloudy | |
| 9pm | 75°F24°C | 12 mph19 km/h Southwest | Thunderstorms | |
| 10pm | 74°F23°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 11pm | 72°F22°C | 10 mph16 km/h Southwest | Clear | |
| May 16 | ||||
| 12am | 70°F21°C | 8 mph14 km/h West | Clear | |
| 1am | 68°F20°C | 8 mph12 km/h West | Clear | |
| 2am | 66°F19°C | 7 mph11 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 62°F17°C | 91°F33°C | 13 mph20 km/h from South | Partly Cloudy | Thunderstorms |
| May 16 | 60°F16°C | 83°F29°C | 16 mph25 km/h from South | Windy | Drizzle |
| May 17 | 54°F12°C | 68°F20°C | 17 mph28 km/h from West | Windy | Mostly Clear |
| May 18 | 49°F9°C | 67°F20°C | 8 mph14 km/h from Northeast | Mostly Clear | Partly Cloudy |
| May 19 | 47°F8°C | 63°F17°C | 10 mph16 km/h from Northeast | Cloudy | Rain |
| May 20 | 53°F12°C | 62°F17°C | 12 mph20 km/h from East | Rain | Rain |
| May 21 | 53°F12°C | 58°F15°C | 13 mph22 km/h from Northeast | Rain | Drizzle |
No
Low of 60°F16°C, High of 83°F29°CWind: 16 mph25 km/h
Precipitation: 40% rain