Yes
you do need a jacket based on the weather in O'Fallon, MO, USA 1 second ago
Why? Because it's so windy, your hat is now someone else's problem, two cities away!
62°F17°C & Windy
Wind is 15 mph24 km/h from the South, gusting to 25 mph41 km/h
| March 3 | ||||
| 6pm | 61°F16°C | 14 mph23 km/h South | Cloudy | |
| 7pm | 57°F14°C | 12 mph20 km/h South | Cloudy | |
| 8pm | 54°F12°C | 13 mph21 km/h South | Cloudy | |
| 9pm | 52°F11°C | 12 mph20 km/h South | Cloudy | |
| 10pm | 52°F11°C | 13 mph20 km/h South | Cloudy | |
| 11pm | 52°F11°C | 13 mph21 km/h South | Cloudy | |
| March 4 | ||||
| 12am | 53°F11°C | 13 mph21 km/h South | Cloudy | |
| 1am | 52°F11°C | 14 mph22 km/h South | Cloudy | |
| 2am | 52°F11°C | 12 mph20 km/h South | Cloudy | |
| 3am | 52°F11°C | 13 mph20 km/h South | Cloudy | |
| 4am | 52°F11°C | 14 mph22 km/h South | Cloudy | |
| 5am | 52°F11°C | 14 mph23 km/h South | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 3 | 34°F1°C | 66°F19°C | 8 mph14 km/h from South | Partly Cloudy | Rain |
| March 4 | 50°F10°C | 56°F13°C | 16 mph25 km/h from Southeast | Heavy Rain | Drizzle |
| March 5 | 31°F-1°C | 50°F10°C | 23 mph37 km/h from West | Snow | Mostly Clear |
| March 6 | 28°F-2°C | 47°F8°C | 6 mph10 km/h from West | Partly Cloudy | Cloudy |
| March 7 | 37°F3°C | 50°F10°C | 9 mph15 km/h from East | Mostly Cloudy | Mostly Cloudy |
| March 8 | 35°F2°C | 49°F10°C | 8 mph13 km/h from North | Partly Cloudy | Partly Cloudy |
| March 9 | 33°F1°C | 50°F10°C | 8 mph14 km/h from West | Mostly Clear | Clear |
Yes
Low of 50°F10°C, High of 55°F13°CWind: 16 mph25 km/h
Precipitation: 83% rain