No
you don't need a jacket based on the weather in St. Catharines, ON, Canada 1 second ago
66°F19°C & Mostly Cloudy
Wind is 7 mph11 km/h from the South, gusting to 16 mph25 km/h
| September 22 | ||||
| 6am | 66°F19°C | 7 mph12 km/h South | Partly Cloudy | |
| 7am | 66°F19°C | 10 mph16 km/h South | Cloudy | |
| 8am | 66°F19°C | 10 mph16 km/h Southwest | Cloudy | |
| 9am | 68°F20°C | 11 mph18 km/h Southwest | Cloudy | |
| 10am | 70°F21°C | 12 mph19 km/h Southwest | Mostly Cloudy | |
| 11am | 71°F22°C | 13 mph21 km/h Southwest | Cloudy | |
| 12pm | 73°F23°C | 13 mph21 km/h Southwest | Cloudy | |
| 1pm | 73°F23°C | 13 mph20 km/h Southwest | Drizzle | |
| 2pm | 74°F23°C | 12 mph19 km/h Southwest | Drizzle | |
| 3pm | 74°F23°C | 11 mph18 km/h Southwest | Drizzle | |
| 4pm | 74°F23°C | 11 mph18 km/h Southwest | Drizzle | |
| 5pm | 73°F23°C | 11 mph17 km/h Southwest | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 22 | 64°F18°C | 74°F24°C | 11 mph18 km/h from Southwest | Thunderstorms | Rain |
| September 23 | 64°F18°C | 74°F23°C | 4 mph6 km/h from North | Drizzle | Drizzle |
| September 24 | 62°F17°C | 73°F23°C | 6 mph10 km/h from Northeast | Drizzle | Rain |
| September 25 | 63°F17°C | 70°F21°C | 8 mph14 km/h from West | Rain | Drizzle |
| September 26 | 61°F16°C | 72°F22°C | 6 mph9 km/h from West | Mostly Clear | Mostly Clear |
| September 27 | 62°F17°C | 73°F23°C | 11 mph18 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 28 | 59°F15°C | 71°F22°C | 9 mph15 km/h from West | Mostly Clear | Mostly Clear |
No
Low of 64°F18°C, High of 73°F23°CWind: 4 mph6 km/h
Precipitation: 53% rain