Yes
you do need a jacket based on the weather in St. Catharines, ON, Canada 12 minutes ago
Why? Because time to get cozy, it's freezing out there and it's so windy, your hat will probably launch into orbit!
20°F-7°C & Windy
Wind is 17 mph27 km/h from the Northwest, gusting to 29 mph46 km/h
| March 1 | ||||
| 12pm | 20°F-7°C | 17 mph27 km/h Northwest | Windy | |
| 1pm | 21°F-6°C | 16 mph26 km/h Northwest | Windy | |
| 2pm | 22°F-6°C | 17 mph27 km/h Northwest | Windy | |
| 3pm | 21°F-6°C | 16 mph26 km/h Northwest | Windy | |
| 4pm | 21°F-6°C | 16 mph25 km/h Northwest | Windy | |
| 5pm | 20°F-7°C | 17 mph27 km/h Northwest | Windy | |
| 6pm | 19°F-7°C | 16 mph26 km/h Northwest | Windy | |
| 7pm | 18°F-8°C | 16 mph25 km/h Northwest | Windy | |
| 8pm | 17°F-9°C | 15 mph25 km/h Northwest | Windy | |
| 9pm | 16°F-9°C | 15 mph24 km/h Northwest | Mostly Cloudy | |
| 10pm | 15°F-9°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| 11pm | 15°F-10°C | 14 mph22 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 1 | 14°F-10°C | 39°F4°C | 17 mph27 km/h from Northwest | Windy | Mostly Cloudy |
| March 2 | 11°F-12°C | 24°F-5°C | 9 mph14 km/h from West | Mostly Cloudy | Partly Cloudy |
| March 3 | 17°F-8°C | 32°F-0°C | 8 mph13 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| March 4 | 29°F-2°C | 43°F6°C | 7 mph12 km/h from South | Cloudy | Rain |
| March 5 | 38°F3°C | 51°F11°C | 15 mph24 km/h from South | Rain | Windy |
| March 6 | 29°F-2°C | 38°F3°C | 17 mph28 km/h from West | Windy | Partly Cloudy |
| March 7 | 27°F-3°C | 38°F3°C | 12 mph20 km/h from Southwest | Cloudy | Mostly Cloudy |
Yes
Low of 11°F-12°C, High of 24°F-5°CWind: 9 mph14 km/h
Precipitation: None