No
you don't need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
62°F16°C & Clear
Wind is 9 mph14 km/h from the North, gusting to 12 mph20 km/h
| May 19 | ||||
| 5pm | 61°F16°C | 9 mph14 km/h North | Clear | |
| 6pm | 61°F16°C | 10 mph16 km/h North | Clear | |
| 7pm | 59°F15°C | 11 mph17 km/h North | Clear | |
| 8pm | 56°F13°C | 11 mph18 km/h North | Clear | |
| 9pm | 53°F11°C | 10 mph16 km/h North | Clear | |
| 10pm | 50°F10°C | 10 mph16 km/h North | Clear | |
| 11pm | 48°F9°C | 9 mph15 km/h North | Clear | |
| May 20 | ||||
| 12am | 47°F8°C | 9 mph14 km/h North | Clear | |
| 1am | 45°F7°C | 8 mph13 km/h North | Clear | |
| 2am | 45°F7°C | 9 mph14 km/h North | Clear | |
| 3am | 44°F6°C | 8 mph13 km/h North | Clear | |
| 4am | 43°F6°C | 9 mph14 km/h North | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 19 | 47°F8°C | 62°F16°C | 7 mph11 km/h from North | Partly Cloudy | Clear |
| May 20 | 42°F5°C | 56°F14°C | 9 mph14 km/h from Northeast | Partly Cloudy | Cloudy |
| May 21 | 46°F8°C | 52°F11°C | 14 mph23 km/h from Northeast | Rain | Rain |
| May 22 | 48°F9°C | 53°F11°C | 10 mph17 km/h from Northeast | Rain | Drizzle |
| May 23 | 46°F8°C | 54°F12°C | 10 mph17 km/h from West | Drizzle | Drizzle |
| May 24 | 47°F8°C | 59°F15°C | 9 mph14 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
| May 25 | 46°F8°C | 63°F17°C | 6 mph10 km/h from Northwest | Mostly Cloudy | Partly Cloudy |
Yes
Low of 42°F6°C, High of 56°F14°CWind: 9 mph14 km/h
Precipitation: None