No
you don't need a jacket based on the weather in St. Louis, MO, USA 1 second ago
70°F21°C & Clear
Wind is 1 mph1 km/h from the Southeast, gusting to 2 mph3 km/h
| September 11 | ||||
| 1am | 69°F20°C | 1 mph2 km/h Southeast | Clear | |
| 2am | 67°F20°C | 2 mph3 km/h East | Clear | |
| 3am | 66°F19°C | 3 mph5 km/h Northeast | Clear | |
| 4am | 65°F18°C | 3 mph5 km/h Northeast | Clear | |
| 5am | 64°F18°C | 3 mph5 km/h Northeast | Clear | |
| 6am | 64°F18°C | 2 mph4 km/h Northeast | Clear | |
| 7am | 63°F17°C | 2 mph3 km/h Northeast | Clear | |
| 8am | 63°F17°C | 2 mph2 km/h Northeast | Clear | |
| 9am | 67°F19°C | 1 mph2 km/h Northeast | Clear | |
| 10am | 73°F23°C | 2 mph3 km/h Northeast | Clear | |
| 11am | 78°F25°C | 2 mph3 km/h Northeast | Clear | |
| 12pm | 82°F28°C | 2 mph4 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 61°F16°C | 89°F32°C | 1 mph2 km/h from Southwest | Mostly Clear | Clear |
| September 11 | 62°F17°C | 88°F31°C | 3 mph5 km/h from North | Clear | Clear |
| September 12 | 63°F17°C | 90°F32°C | 4 mph7 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 13 | 66°F19°C | 92°F33°C | 4 mph7 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 14 | 70°F21°C | 92°F34°C | 3 mph5 km/h from South | Mostly Cloudy | Mostly Cloudy |
| September 15 | 70°F21°C | 92°F33°C | 2 mph4 km/h from Southeast | Mostly Cloudy | Mostly Clear |
| September 16 | 69°F20°C | 91°F33°C | 3 mph6 km/h from Southeast | Mostly Clear | Mostly Clear |
No
Low of 63°F17°C, High of 88°F31°CWind: 3 mph5 km/h
Precipitation: None