No
you don't need a jacket based on the weather in St. Louis, MO, USA 1 second ago
69°F20°C & Mostly Cloudy
Wind is 3 mph5 km/h from the East, gusting to 8 mph13 km/h
| September 10 | ||||
| 12am | 68°F20°C | 3 mph5 km/h East | Mostly Cloudy | |
| 1am | 67°F19°C | 3 mph5 km/h Northeast | Mostly Cloudy | |
| 2am | 65°F18°C | 2 mph3 km/h East | Partly Cloudy | |
| 3am | 64°F18°C | 1 mph2 km/h Southeast | Mostly Clear | |
| 4am | 62°F17°C | 1 mph2 km/h Southeast | Mostly Clear | |
| 5am | 61°F16°C | 2 mph3 km/h Southeast | Mostly Clear | |
| 6am | 60°F16°C | 2 mph4 km/h Southeast | Mostly Clear | |
| 7am | 59°F15°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 8am | 60°F15°C | 2 mph4 km/h Southeast | Partly Cloudy | |
| 9am | 63°F17°C | 2 mph4 km/h South | Partly Cloudy | |
| 10am | 68°F20°C | 2 mph4 km/h South | Partly Cloudy | |
| 11am | 73°F23°C | 3 mph5 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 9 | 51°F11°C | 81°F27°C | 3 mph4 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 10 | 59°F15°C | 86°F30°C | 3 mph5 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 11 | 63°F17°C | 88°F31°C | 3 mph5 km/h from Northeast | Clear | Clear |
| September 12 | 64°F18°C | 89°F32°C | 5 mph9 km/h from Southeast | Partly Cloudy | Mostly Clear |
| September 13 | 68°F20°C | 92°F34°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 14 | 70°F21°C | 91°F33°C | 4 mph7 km/h from South | Mostly Cloudy | Partly Cloudy |
| September 15 | 70°F21°C | 91°F33°C | 3 mph5 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
No
Low of 59°F15°C, High of 86°F30°CWind: 3 mph5 km/h
Precipitation: None