No
you don't need a jacket based on the weather in Caledon (Bolton), Ontario, Canada 16 minutes ago
61°F16°C & Cloudy
Wind is 4 mph6 km/h from the Southeast, gusting to 10 mph16 km/h
| September 15 | ||||
| 10am | 64°F18°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 11am | 68°F20°C | 6 mph9 km/h Southeast | Partly Cloudy | |
| 12pm | 71°F22°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| 1pm | 73°F23°C | 5 mph9 km/h Southeast | Partly Cloudy | |
| 2pm | 75°F24°C | 5 mph8 km/h Southeast | Mostly Clear | |
| 3pm | 76°F24°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 4pm | 76°F25°C | 4 mph6 km/h Southeast | Clear | |
| 5pm | 76°F24°C | 4 mph6 km/h Southeast | Clear | |
| 6pm | 74°F24°C | 4 mph6 km/h Southeast | Clear | |
| 7pm | 71°F22°C | 4 mph6 km/h Southeast | Mostly Clear | |
| 8pm | 66°F19°C | 4 mph7 km/h Southeast | Mostly Clear | |
| 9pm | 63°F17°C | 3 mph6 km/h South | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 53°F12°C | 76°F25°C | 4 mph7 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 16 | 51°F11°C | 78°F25°C | 4 mph6 km/h from East | Mostly Clear | Mostly Clear |
| September 17 | 51°F11°C | 78°F26°C | 2 mph4 km/h from Southeast | Mostly Clear | Mostly Clear |
| September 18 | 55°F13°C | 79°F26°C | 6 mph9 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 19 | 52°F11°C | 70°F21°C | 8 mph13 km/h from North | Mostly Clear | Clear |
| September 20 | 46°F8°C | 67°F20°C | 8 mph13 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 21 | 52°F11°C | 76°F24°C | 9 mph14 km/h from South | Partly Cloudy | Thunderstorms |
Yes
Low of 52°F11°C, High of 78°F26°CWind: 4 mph6 km/h
Precipitation: None