No
you don't need a jacket based on the weather in Caledon (Bolton), Ontario, Canada 1 second ago
61°F16°C & Clear
Wind is 6 mph10 km/h from the North, gusting to 14 mph23 km/h
| September 19 | ||||
| 1am | 60°F16°C | 6 mph10 km/h North | Clear | |
| 2am | 59°F15°C | 6 mph10 km/h North | Clear | |
| 3am | 57°F14°C | 6 mph9 km/h North | Mostly Clear | |
| 4am | 56°F13°C | 6 mph9 km/h North | Mostly Clear | |
| 5am | 55°F13°C | 6 mph9 km/h North | Clear | |
| 6am | 53°F12°C | 6 mph9 km/h North | Clear | |
| 7am | 52°F11°C | 5 mph9 km/h North | Clear | |
| 8am | 53°F12°C | 6 mph9 km/h North | Clear | |
| 9am | 56°F13°C | 7 mph11 km/h North | Mostly Clear | |
| 10am | 59°F15°C | 7 mph11 km/h North | Mostly Clear | |
| 11am | 63°F17°C | 7 mph11 km/h North | Mostly Clear | |
| 12pm | 65°F19°C | 7 mph11 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 52°F11°C | 70°F21°C | 7 mph12 km/h from North | Clear | Clear |
| September 20 | 47°F8°C | 66°F19°C | 8 mph12 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 52°F11°C | 76°F25°C | 9 mph14 km/h from Southeast | Partly Cloudy | Drizzle |
| September 22 | 62°F17°C | 76°F24°C | 8 mph13 km/h from Southwest | Drizzle | Mostly Cloudy |
| September 23 | 59°F15°C | 74°F23°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| September 24 | 55°F13°C | 71°F22°C | 6 mph10 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| September 25 | 52°F11°C | 71°F22°C | 5 mph8 km/h from East | Partly Cloudy | Partly Cloudy |
Yes
Low of 46°F8°C, High of 66°F19°CWind: 8 mph12 km/h
Precipitation: None