No
you don't need a jacket based on the weather in St. Catharines, ON, Canada 1 second ago
64°F18°C & Mostly Clear
Wind is 6 mph9 km/h from the Southeast, gusting to 12 mph19 km/h
| July 23 | ||||
| 1am | 63°F17°C | 6 mph9 km/h Southeast | Mostly Clear | |
| 2am | 62°F17°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 3am | 61°F16°C | 5 mph7 km/h Southeast | Mostly Cloudy | |
| 4am | 60°F16°C | 4 mph7 km/h Southeast | Partly Cloudy | |
| 5am | 60°F16°C | 4 mph7 km/h Southeast | Clear | |
| 6am | 60°F15°C | 2 mph4 km/h East | Clear | |
| 7am | 63°F17°C | 2 mph4 km/h East | Clear | |
| 8am | 66°F19°C | 3 mph4 km/h Southeast | Clear | |
| 9am | 70°F21°C | 3 mph4 km/h East | Clear | |
| 10am | 74°F23°C | 3 mph5 km/h Southeast | Clear | |
| 11am | 77°F25°C | 3 mph4 km/h Southeast | Clear | |
| 12pm | 79°F26°C | 3 mph5 km/h Northeast | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 23 | 60°F15°C | 84°F29°C | 3 mph5 km/h from Southeast | Clear | Mostly Clear |
| July 24 | 71°F21°C | 88°F31°C | 16 mph26 km/h from Southwest | Windy | Partly Cloudy |
| July 25 | 72°F22°C | 83°F28°C | 7 mph12 km/h from West | Rain | Mostly Cloudy |
| July 26 | 70°F21°C | 80°F27°C | 6 mph9 km/h from East | Cloudy | Rain |
| July 27 | 71°F22°C | 85°F29°C | 6 mph10 km/h from Northwest | Partly Cloudy | Clear |
| July 28 | 71°F22°C | 87°F30°C | 6 mph10 km/h from Southwest | Mostly Clear | Drizzle |
| July 29 | 68°F20°C | 84°F29°C | 9 mph15 km/h from Northwest | Drizzle | Mostly Clear |
No
Low of 71°F22°C, High of 89°F32°CWind: 16 mph26 km/h
Precipitation: None