No
you don't need a jacket based on the weather in Hamilton, ON, Canada 1 minute ago
62°F17°C & Partly Cloudy
Wind is 8 mph13 km/h from the West, gusting to 16 mph25 km/h
| September 7 | ||||
| 8pm | 60°F16°C | 6 mph10 km/h West | Clear | |
| 9pm | 58°F14°C | 6 mph9 km/h West | Clear | |
| 10pm | 56°F13°C | 5 mph8 km/h West | Clear | |
| 11pm | 54°F12°C | 5 mph8 km/h West | Clear | |
| September 8 | ||||
| 12am | 53°F12°C | 5 mph8 km/h West | Partly Cloudy | |
| 1am | 52°F11°C | 5 mph8 km/h West | Partly Cloudy | |
| 2am | 51°F10°C | 5 mph8 km/h West | Clear | |
| 3am | 50°F10°C | 5 mph8 km/h West | Clear | |
| 4am | 49°F9°C | 5 mph8 km/h West | Clear | |
| 5am | 49°F9°C | 5 mph8 km/h West | Clear | |
| 6am | 48°F9°C | 5 mph7 km/h West | Clear | |
| 7am | 48°F9°C | 4 mph7 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 52°F11°C | 67°F20°C | 8 mph12 km/h from West | Mostly Clear | Clear |
| September 8 | 48°F9°C | 69°F21°C | 3 mph5 km/h from Southwest | Mostly Clear | Clear |
| September 9 | 50°F10°C | 74°F23°C | 4 mph7 km/h from South | Clear | Mostly Clear |
| September 10 | 54°F12°C | 77°F25°C | 4 mph6 km/h from South | Partly Cloudy | Mostly Clear |
| September 11 | 57°F14°C | 76°F24°C | 5 mph9 km/h from Northeast | Clear | Mostly Clear |
| September 12 | 57°F14°C | 72°F22°C | 8 mph12 km/h from Northeast | Mostly Clear | Partly Cloudy |
| September 13 | 56°F13°C | 76°F24°C | 4 mph7 km/h from South | Partly Cloudy | Mostly Cloudy |
Yes
Low of 48°F9°C, High of 70°F21°CWind: 3 mph5 km/h
Precipitation: None