Yes
you do need a jacket based on the weather in St. Louis, MO, USA 1 second ago
Why? Because it's not very warm out.
59°F15°C & Mostly Clear
Wind is 11 mph17 km/h from the N, gusting to 18 mph29 km/h
| April 19 | ||||
| 2pm | 59°F15°C | 11 mph17 km/h N | Mostly Clear | |
| 3pm | 61°F16°C | 9 mph15 km/h N | Mostly Clear | |
| 4pm | 62°F17°C | 9 mph14 km/h N | Clear | |
| 5pm | 63°F17°C | 9 mph14 km/h N | Mostly Clear | |
| 6pm | 62°F17°C | 9 mph15 km/h N | Mostly Clear | |
| 7pm | 61°F16°C | 9 mph14 km/h N | Mostly Clear | |
| 8pm | 59°F15°C | 7 mph12 km/h N | Mostly Clear | |
| 9pm | 56°F13°C | 5 mph9 km/h N | Mostly Clear | |
| 10pm | 54°F12°C | 4 mph7 km/h N | Mostly Clear | |
| 11pm | 52°F11°C | 4 mph6 km/h NW | Mostly Clear | |
| April 20 | ||||
| 12am | 51°F10°C | 4 mph6 km/h NW | Mostly Clear | |
| 1am | 49°F10°C | 4 mph6 km/h NW | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 19 | 46°F8°C | 63°F17°C | 9 mph15 km/h from N | Mostly Clear | Mostly Clear |
| April 20 | 43°F6°C | 60°F15°C | 10 mph17 km/h from NW | Partly Cloudy | Partly Cloudy |
| April 21 | 40°F4°C | 61°F16°C | 8 mph14 km/h from NW | Mostly Clear | Clear |
| April 22 | 40°F4°C | 69°F21°C | 7 mph11 km/h from S | Mostly Clear | Partly Cloudy |
| April 23 | 50°F10°C | 73°F23°C | 12 mph19 km/h from SW | Mostly Cloudy | Partly Cloudy |
| April 24 | 52°F11°C | 64°F18°C | 7 mph11 km/h from NE | Mostly Cloudy | Partly Cloudy |
| April 25 | 48°F9°C | 70°F21°C | 9 mph14 km/h from SE | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 43°F6°C, High of 60°F16°CWind: 10 mph17 km/h
Precipitation: None