No
you don't need a jacket based on the weather in Arlington Heights, IL, USA 1 second ago
81°F27°C & Mostly Cloudy
Wind is 2 mph4 km/h from the Southeast, gusting to 7 mph11 km/h
| September 10 | ||||
| 5pm | 80°F27°C | 5 mph8 km/h East | Mostly Clear | |
| 6pm | 79°F26°C | 6 mph9 km/h East | Mostly Clear | |
| 7pm | 77°F25°C | 5 mph9 km/h East | Clear | |
| 8pm | 74°F23°C | 5 mph8 km/h East | Mostly Clear | |
| 9pm | 70°F21°C | 6 mph9 km/h Northeast | Mostly Clear | |
| 10pm | 68°F20°C | 5 mph8 km/h Northeast | Mostly Clear | |
| 11pm | 66°F19°C | 4 mph7 km/h Northeast | Mostly Clear | |
| September 11 | ||||
| 12am | 65°F18°C | 4 mph7 km/h Northeast | Partly Cloudy | |
| 1am | 64°F18°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 2am | 63°F17°C | 4 mph6 km/h Northeast | Mostly Clear | |
| 3am | 62°F17°C | 3 mph6 km/h Northeast | Partly Cloudy | |
| 4am | 62°F17°C | 3 mph5 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 57°F14°C | 81°F27°C | 3 mph5 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 11 | 61°F16°C | 79°F26°C | 6 mph9 km/h from East | Mostly Clear | Mostly Clear |
| September 12 | 60°F16°C | 82°F28°C | 4 mph7 km/h from South | Mostly Clear | Mostly Cloudy |
| September 13 | 66°F19°C | 88°F31°C | 8 mph14 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 14 | 68°F20°C | 84°F29°C | 6 mph9 km/h from Northeast | Clear | Mostly Clear |
| September 15 | 66°F19°C | 82°F28°C | 5 mph9 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 16 | 66°F19°C | 83°F28°C | 4 mph7 km/h from Southeast | Mostly Clear | Partly Cloudy |
No
Low of 61°F16°C, High of 79°F26°CWind: 6 mph9 km/h
Precipitation: None