No
you don't need a jacket based on the weather in Hamilton, ON, Canada 5 minutes ago
59°F15°C & Clear
Wind is 3 mph5 km/h from the North, gusting to 11 mph17 km/h
| October 16 | ||||
| 7pm | 60°F15°C | 4 mph7 km/h North | Clear | |
| 8pm | 61°F16°C | 5 mph8 km/h North | Clear | |
| 9pm | 61°F16°C | 6 mph10 km/h North | Clear | |
| 10pm | 59°F15°C | 6 mph9 km/h Northeast | Clear | |
| 11pm | 55°F13°C | 6 mph10 km/h Northeast | Clear | |
| October 17 | ||||
| 12am | 52°F11°C | 6 mph10 km/h North | Partly Cloudy | |
| 1am | 49°F10°C | 6 mph10 km/h North | Mostly Clear | |
| 2am | 48°F9°C | 5 mph8 km/h North | Partly Cloudy | |
| 3am | 46°F8°C | 4 mph7 km/h North | Mostly Clear | |
| 4am | 46°F8°C | 4 mph7 km/h North | Partly Cloudy | |
| 5am | 45°F7°C | 4 mph6 km/h North | Partly Cloudy | |
| 6am | 44°F7°C | 3 mph5 km/h Northwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| October 16 | 39°F4°C | 61°F16°C | 5 mph8 km/h from North | Clear | Partly Cloudy |
| October 17 | 41°F5°C | 57°F14°C | 2 mph4 km/h from South | Mostly Cloudy | Drizzle |
| October 18 | 52°F11°C | 69°F20°C | 10 mph15 km/h from South | Partly Cloudy | Mostly Cloudy |
| October 19 | 55°F13°C | 66°F19°C | 14 mph23 km/h from South | Rain | Rain |
| October 20 | 50°F10°C | 61°F16°C | 12 mph19 km/h from West | Rain | Partly Cloudy |
| October 21 | 48°F9°C | 59°F15°C | 13 mph21 km/h from Southwest | Drizzle | Mostly Cloudy |
| October 22 | 45°F7°C | 55°F13°C | 11 mph18 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 40°F5°C, High of 57°F14°CWind: 2 mph4 km/h
Precipitation: None