Yes
you do need a jacket based on the weather in St Clair County, IL, USA 1 second ago
Why? Because a jacket will keep you cozy, but you won't break a seat!
57°F14°C & Mostly Clear
Wind is 5 mph8 km/h from the North, gusting to 11 mph18 km/h
| May 23 | ||||
| 12am | 55°F13°C | 5 mph8 km/h North | Clear | |
| 1am | 53°F12°C | 4 mph7 km/h North | Clear | |
| 2am | 52°F11°C | 4 mph6 km/h Northwest | Clear | |
| 3am | 51°F10°C | 4 mph6 km/h Northwest | Clear | |
| 4am | 50°F10°C | 4 mph6 km/h Northwest | Clear | |
| 5am | 49°F9°C | 4 mph6 km/h Northwest | Clear | |
| 6am | 48°F9°C | 4 mph6 km/h West | Clear | |
| 7am | 48°F9°C | 4 mph6 km/h Northwest | Clear | |
| 8am | 51°F11°C | 3 mph6 km/h Northwest | Clear | |
| 9am | 56°F13°C | 4 mph6 km/h Northwest | Clear | |
| 10am | 60°F16°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 11am | 63°F17°C | 3 mph5 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 22 | 52°F11°C | 70°F21°C | 10 mph15 km/h from Northwest | Mostly Clear | Clear |
| May 23 | 48°F9°C | 70°F21°C | 3 mph5 km/h from Northwest | Partly Cloudy | Drizzle |
| May 24 | 54°F12°C | 71°F22°C | 7 mph12 km/h from East | Drizzle | Drizzle |
| May 25 | 57°F14°C | 66°F19°C | 10 mph17 km/h from East | Drizzle | Cloudy |
| May 26 | 55°F13°C | 68°F20°C | 12 mph20 km/h from East | Rain | Rain |
| May 27 | 56°F13°C | 71°F22°C | 7 mph11 km/h from Northwest | Drizzle | Partly Cloudy |
| May 28 | 56°F13°C | 73°F23°C | 7 mph11 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 47°F9°C, High of 70°F21°CWind: 3 mph5 km/h
Precipitation: 7% rain