No
you don't need a jacket based on the weather in Arlington Heights, IL, USA 1 second ago
71°F22°C & Cloudy
Wind is 6 mph10 km/h from the West, gusting to 16 mph26 km/h
| July 12 | ||||
| 3am | 71°F22°C | 8 mph13 km/h West | Cloudy | |
| 4am | 71°F22°C | 5 mph8 km/h Southwest | Cloudy | |
| 5am | 70°F21°C | 4 mph7 km/h Southwest | Cloudy | |
| 6am | 70°F21°C | 6 mph9 km/h Southwest | Cloudy | |
| 7am | 70°F21°C | 5 mph8 km/h Southwest | Cloudy | |
| 8am | 71°F22°C | 8 mph12 km/h West | Cloudy | |
| 9am | 72°F22°C | 8 mph13 km/h West | Cloudy | |
| 10am | 73°F23°C | 7 mph12 km/h Southwest | Cloudy | |
| 11am | 75°F24°C | 8 mph13 km/h Southwest | Cloudy | |
| 12pm | 77°F25°C | 7 mph12 km/h Southwest | Mostly Cloudy | |
| 1pm | 79°F26°C | 7 mph12 km/h West | Partly Cloudy | |
| 2pm | 81°F27°C | 8 mph12 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 12 | 70°F21°C | 85°F30°C | 8 mph13 km/h from West | Partly Cloudy | Mostly Clear |
| July 13 | 64°F18°C | 83°F28°C | 6 mph10 km/h from West | Partly Cloudy | Mostly Clear |
| July 14 | 67°F20°C | 88°F31°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| July 15 | 72°F22°C | 86°F30°C | 6 mph10 km/h from South | Partly Cloudy | Drizzle |
| July 16 | 72°F22°C | 85°F29°C | 5 mph7 km/h from North | Drizzle | Drizzle |
| July 17 | 70°F21°C | 86°F30°C | 8 mph13 km/h from Southwest | Drizzle | Rain |
| July 18 | 65°F18°C | 81°F27°C | 6 mph10 km/h from North | Partly Cloudy | Mostly Clear |
No
Low of 64°F18°C, High of 83°F29°CWind: 6 mph10 km/h
Precipitation: None