Yes
you do need a jacket based on the weather in Ontario, Canada 23 minutes ago
Why? Because it's not very warm out!
58°F14°C & Clear
Wind is 5 mph8 km/h from the South, gusting to 12 mph19 km/h
| September 15 | ||||
| 10am | 60°F16°C | 5 mph8 km/h South | Mostly Clear | |
| 11am | 65°F18°C | 5 mph9 km/h South | Mostly Clear | |
| 12pm | 69°F21°C | 6 mph9 km/h South | Mostly Clear | |
| 1pm | 73°F23°C | 6 mph10 km/h South | Mostly Clear | |
| 2pm | 76°F24°C | 7 mph11 km/h South | Mostly Clear | |
| 3pm | 78°F25°C | 8 mph12 km/h South | Clear | |
| 4pm | 79°F26°C | 8 mph13 km/h South | Mostly Clear | |
| 5pm | 78°F26°C | 8 mph13 km/h South | Mostly Clear | |
| 6pm | 78°F25°C | 7 mph12 km/h South | Clear | |
| 7pm | 75°F24°C | 6 mph10 km/h South | Clear | |
| 8pm | 72°F22°C | 6 mph10 km/h South | Clear | |
| 9pm | 70°F21°C | 7 mph11 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 50°F10°C | 79°F26°C | 6 mph10 km/h from South | Mostly Clear | Clear |
| September 16 | 60°F16°C | 83°F28°C | 9 mph15 km/h from South | Mostly Clear | Clear |
| September 17 | 53°F12°C | 68°F20°C | 10 mph17 km/h from West | Mostly Cloudy | Cloudy |
| September 18 | 47°F8°C | 61°F16°C | 7 mph11 km/h from North | Partly Cloudy | Mostly Clear |
| September 19 | 40°F5°C | 60°F16°C | 4 mph6 km/h from East | Mostly Clear | Partly Cloudy |
| September 20 | 44°F7°C | 66°F19°C | 6 mph10 km/h from South | Mostly Cloudy | Mostly Cloudy |
| September 21 | 54°F12°C | 69°F21°C | 5 mph8 km/h from South | Mostly Cloudy | Mostly Cloudy |
No
Low of 60°F16°C, High of 82°F28°CWind: 9 mph15 km/h
Precipitation: None