No
you don't need a jacket based on the weather in St. Louis, MO, USA 5 minutes ago
74°F23°C & Mostly Clear
Wind is 3 mph5 km/h from the West, gusting to 7 mph12 km/h
| September 14 | ||||
| 4am | 74°F23°C | 3 mph5 km/h West | Mostly Clear | |
| 5am | 73°F23°C | 3 mph5 km/h West | Partly Cloudy | |
| 6am | 72°F22°C | 3 mph6 km/h West | Partly Cloudy | |
| 7am | 71°F22°C | 2 mph3 km/h West | Mostly Cloudy | |
| 8am | 70°F21°C | 1 mph2 km/h Northwest | Partly Cloudy | |
| 9am | 74°F23°C | 2 mph4 km/h West | Mostly Cloudy | |
| 10am | 80°F27°C | 4 mph6 km/h Northwest | Partly Cloudy | |
| 11am | 84°F29°C | 4 mph7 km/h Northwest | Mostly Cloudy | |
| 12pm | 87°F31°C | 5 mph7 km/h Northwest | Mostly Cloudy | |
| 1pm | 90°F32°C | 4 mph7 km/h North | Mostly Cloudy | |
| 2pm | 92°F33°C | 4 mph7 km/h North | Mostly Cloudy | |
| 3pm | 93°F34°C | 4 mph6 km/h North | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 14 | 70°F21°C | 94°F34°C | 4 mph6 km/h from North | Mostly Cloudy | Partly Cloudy |
| September 15 | 70°F21°C | 89°F32°C | 6 mph9 km/h from East | Partly Cloudy | Mostly Clear |
| September 16 | 66°F19°C | 89°F32°C | 4 mph7 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 65°F19°C | 88°F31°C | 3 mph5 km/h from East | Mostly Clear | Partly Cloudy |
| September 18 | 65°F18°C | 86°F30°C | 6 mph9 km/h from Southwest | Mostly Cloudy | Rain |
| September 19 | 67°F19°C | 80°F27°C | 6 mph9 km/h from Southwest | Rain | Thunderstorms |
| September 20 | 64°F18°C | 78°F25°C | 5 mph8 km/h from West | Thunderstorms | Partly Cloudy |
No
Low of 71°F22°C, High of 90°F32°CWind: 6 mph9 km/h
Precipitation: None