No
you don't need a jacket based on the weather in St. Catharines, ON, Canada 1 second ago
71°F22°C & Mostly Cloudy
Wind is 3 mph5 km/h from the Southwest, gusting to 5 mph8 km/h
| June 4 | ||||
| 11pm | 70°F21°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| June 5 | ||||
| 12am | 68°F20°C | 4 mph6 km/h West | Mostly Cloudy | |
| 1am | 67°F19°C | 2 mph4 km/h Southwest | Cloudy | |
| 2am | 66°F19°C | 3 mph5 km/h South | Cloudy | |
| 3am | 65°F18°C | 4 mph6 km/h Northwest | Cloudy | |
| 4am | 62°F17°C | 5 mph8 km/h Northeast | Cloudy | |
| 5am | 60°F16°C | 5 mph8 km/h Northeast | Cloudy | |
| 6am | 60°F15°C | 5 mph8 km/h Northeast | Cloudy | |
| 7am | 60°F16°C | 5 mph7 km/h Northeast | Drizzle | |
| 8am | 61°F16°C | 5 mph8 km/h North | Drizzle | |
| 9am | 62°F17°C | 6 mph9 km/h North | Cloudy | |
| 10am | 62°F17°C | 6 mph9 km/h North | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 4 | 65°F18°C | 85°F30°C | 12 mph20 km/h from Southwest | Mostly Clear | Drizzle |
| June 5 | 59°F15°C | 68°F20°C | 6 mph10 km/h from North | Drizzle | Rain |
| June 6 | 56°F14°C | 67°F19°C | 6 mph10 km/h from Northeast | Drizzle | Mostly Cloudy |
| June 7 | 58°F14°C | 71°F22°C | 5 mph8 km/h from North | Partly Cloudy | Partly Cloudy |
| June 8 | 56°F13°C | 70°F21°C | 8 mph12 km/h from Northeast | Partly Cloudy | Mostly Clear |
| June 9 | 58°F15°C | 71°F21°C | 13 mph20 km/h from Southwest | Rain | Drizzle |
| June 10 | 59°F15°C | 68°F20°C | 10 mph16 km/h from Southwest | Drizzle | Mostly Clear |
No
Low of 59°F15°C, High of 68°F20°CWind: 6 mph10 km/h
Precipitation: 62% rain