No
you don't need a jacket based on the weather in St. Charles, IL, USA 1 second ago
64°F18°C & Mostly Cloudy
Wind is 4 mph6 km/h from the Southwest, gusting to 9 mph15 km/h
| September 22 | ||||
| 6am | 64°F18°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 7am | 63°F17°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 8am | 63°F17°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 9am | 65°F18°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 10am | 67°F20°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| 11am | 70°F21°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| 12pm | 72°F22°C | 8 mph14 km/h Southwest | Partly Cloudy | |
| 1pm | 75°F24°C | 7 mph11 km/h Southwest | Partly Cloudy | |
| 2pm | 76°F25°C | 7 mph12 km/h Southwest | Partly Cloudy | |
| 3pm | 78°F25°C | 7 mph12 km/h South | Partly Cloudy | |
| 4pm | 78°F25°C | 8 mph12 km/h South | Partly Cloudy | |
| 5pm | 77°F25°C | 7 mph12 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 22 | 63°F17°C | 78°F25°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 23 | 62°F16°C | 76°F24°C | 3 mph5 km/h from West | Drizzle | Rain |
| September 24 | 61°F16°C | 72°F22°C | 9 mph14 km/h from Northeast | Drizzle | Partly Cloudy |
| September 25 | 59°F15°C | 72°F22°C | 7 mph12 km/h from North | Mostly Cloudy | Mostly Clear |
| September 26 | 54°F12°C | 77°F25°C | 6 mph9 km/h from West | Mostly Clear | Mostly Clear |
| September 27 | 58°F15°C | 77°F25°C | 8 mph12 km/h from West | Clear | Clear |
| September 28 | 57°F14°C | 74°F23°C | 7 mph11 km/h from East | Mostly Clear | Partly Cloudy |
No
Low of 62°F17°C, High of 75°F24°CWind: 3 mph5 km/h
Precipitation: 33% rain