No
you don't need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
61°F16°C & Clear
Wind is 5 mph8 km/h from the Northeast, gusting to 8 mph13 km/h
| September 16 | ||||
| 1am | 61°F16°C | 5 mph8 km/h Northeast | Clear | |
| 2am | 60°F16°C | 5 mph8 km/h Northeast | Clear | |
| 3am | 60°F15°C | 5 mph8 km/h Northeast | Clear | |
| 4am | 59°F15°C | 5 mph8 km/h Northeast | Clear | |
| 5am | 59°F15°C | 5 mph8 km/h Northeast | Clear | |
| 6am | 59°F15°C | 5 mph9 km/h Northeast | Mostly Clear | |
| 7am | 60°F16°C | 6 mph9 km/h Northeast | Mostly Clear | |
| 8am | 62°F17°C | 6 mph10 km/h Northeast | Mostly Clear | |
| 9am | 65°F18°C | 8 mph12 km/h Northeast | Partly Cloudy | |
| 10am | 68°F20°C | 9 mph14 km/h Northeast | Mostly Clear | |
| 11am | 71°F21°C | 9 mph15 km/h Northeast | Mostly Clear | |
| 12pm | 73°F23°C | 10 mph15 km/h Northeast | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 59°F15°C | 75°F24°C | 8 mph13 km/h from Northeast | Mostly Clear | Clear |
| September 17 | 58°F15°C | 77°F25°C | 4 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 18 | 57°F14°C | 83°F28°C | 5 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 58°F15°C | 71°F22°C | 7 mph12 km/h from Northeast | Clear | Clear |
| September 20 | 56°F13°C | 69°F21°C | 11 mph18 km/h from East | Mostly Clear | Partly Cloudy |
| September 21 | 56°F13°C | 81°F27°C | 10 mph17 km/h from South | Partly Cloudy | Partly Cloudy |
| September 22 | 65°F18°C | 80°F26°C | 10 mph16 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 58°F15°C, High of 77°F25°CWind: 4 mph7 km/h
Precipitation: None