Yes
you do need a jacket based on the weather in St. Catharines, ON, Canada 1 second ago
Why? Because it's not very warm out and it's so windy, you’re practically horizontal just trying to walk!
53°F12°C & Windy
Wind is 16 mph25 km/h from the Southwest, gusting to 29 mph46 km/h
| March 18 | ||||
| 1pm | 53°F12°C | 16 mph26 km/h Southwest | Windy | |
| 2pm | 55°F13°C | 16 mph26 km/h Southwest | Windy | |
| 3pm | 56°F13°C | 17 mph27 km/h Southwest | Windy | |
| 4pm | 57°F14°C | 16 mph26 km/h Southwest | Windy | |
| 5pm | 58°F14°C | 14 mph22 km/h Southwest | Mostly Clear | |
| 6pm | 56°F13°C | 10 mph16 km/h Southwest | Mostly Cloudy | |
| 7pm | 51°F11°C | 5 mph9 km/h Southwest | Mostly Cloudy | |
| 8pm | 49°F9°C | 4 mph7 km/h South | Mostly Cloudy | |
| 9pm | 47°F8°C | 6 mph9 km/h South | Mostly Cloudy | |
| 10pm | 45°F7°C | 6 mph10 km/h South | Partly Cloudy | |
| 11pm | 45°F7°C | 7 mph11 km/h South | Mostly Cloudy | |
| March 19 | ||||
| 12am | 45°F7°C | 7 mph12 km/h South | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 18 | 29°F-2°C | 58°F14°C | 12 mph20 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| March 19 | 42°F6°C | 60°F16°C | 11 mph17 km/h from South | Mostly Cloudy | Partly Cloudy |
| March 20 | 34°F1°C | 53°F12°C | 18 mph29 km/h from Southwest | Drizzle | Snow |
| March 21 | 30°F-1°C | 42°F6°C | 12 mph19 km/h from West | Mostly Clear | Mostly Cloudy |
| March 22 | 28°F-2°C | 42°F6°C | 13 mph21 km/h from West | Drizzle | Partly Cloudy |
| March 23 | 26°F-3°C | 37°F3°C | 5 mph9 km/h from West | Partly Cloudy | Cloudy |
| March 24 | 31°F-1°C | 46°F8°C | 12 mph20 km/h from Southwest | Rain | Mostly Cloudy |
Yes
Low of 42°F6°C, High of 61°F16°CWind: 11 mph17 km/h
Precipitation: None