No
you don't need a jacket based on the weather in Clayton, MO, USA 1 second ago
90°F32°C & Mostly Clear
Wind is 7 mph11 km/h from the Northeast, gusting to 11 mph17 km/h
| September 15 | ||||
| 6pm | 89°F32°C | 7 mph11 km/h Northeast | Mostly Cloudy | |
| 7pm | 87°F31°C | 7 mph11 km/h Northeast | Mostly Cloudy | |
| 8pm | 84°F29°C | 5 mph8 km/h East | Partly Cloudy | |
| 9pm | 81°F27°C | 5 mph8 km/h East | Partly Cloudy | |
| 10pm | 79°F26°C | 4 mph7 km/h East | Mostly Clear | |
| 11pm | 77°F25°C | 3 mph5 km/h East | Mostly Clear | |
| September 16 | ||||
| 12am | 75°F24°C | 4 mph6 km/h East | Mostly Clear | |
| 1am | 74°F23°C | 4 mph6 km/h East | Partly Cloudy | |
| 2am | 72°F22°C | 3 mph5 km/h East | Mostly Clear | |
| 3am | 71°F22°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 4am | 70°F21°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 5am | 70°F21°C | 3 mph5 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 71°F22°C | 91°F33°C | 4 mph7 km/h from East | Partly Cloudy | Mostly Clear |
| September 16 | 68°F20°C | 90°F32°C | 4 mph6 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 17 | 66°F19°C | 89°F32°C | 3 mph5 km/h from Northeast | Mostly Clear | Clear |
| September 18 | 65°F18°C | 89°F32°C | 4 mph7 km/h from South | Mostly Clear | Partly Cloudy |
| September 19 | 67°F19°C | 85°F29°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| September 20 | 65°F19°C | 83°F28°C | 4 mph6 km/h from Southwest | Thunderstorms | Partly Cloudy |
| September 21 | 66°F19°C | 82°F28°C | 7 mph11 km/h from South | Mostly Cloudy | Mostly Cloudy |
No
Low of 68°F20°C, High of 91°F33°CWind: 4 mph6 km/h
Precipitation: None