Yes
you do need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
Why? Because it's cold. simple as that.
46°F8°C & Mostly Cloudy
Wind is 7 mph11 km/h from the W, gusting to 12 mph19 km/h
| April 20 | ||||
| 1am | 45°F7°C | 7 mph11 km/h W | Mostly Cloudy | |
| 2am | 44°F7°C | 7 mph11 km/h SW | Cloudy | |
| 3am | 43°F6°C | 7 mph12 km/h SW | Mostly Cloudy | |
| 4am | 42°F6°C | 8 mph14 km/h SW | Partly Cloudy | |
| 5am | 41°F5°C | 9 mph15 km/h SW | Partly Cloudy | |
| 6am | 41°F5°C | 11 mph17 km/h SW | Mostly Cloudy | |
| 7am | 40°F4°C | 11 mph17 km/h W | Partly Cloudy | |
| 8am | 41°F5°C | 11 mph18 km/h W | Partly Cloudy | |
| 9am | 42°F6°C | 13 mph21 km/h W | Mostly Clear | |
| 10am | 43°F6°C | 16 mph25 km/h W | Windy | |
| 11am | 42°F6°C | 15 mph24 km/h W | Windy | |
| 12pm | 44°F7°C | 16 mph26 km/h W | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 20 | 39°F4°C | 47°F8°C | 15 mph24 km/h from W | Mostly Cloudy | Partly Cloudy |
| April 21 | 34°F1°C | 52°F11°C | 13 mph21 km/h from W | Partly Cloudy | Mostly Clear |
| April 22 | 33°F1°C | 55°F13°C | 6 mph10 km/h from SW | Mostly Clear | Mostly Cloudy |
| April 23 | 43°F6°C | 58°F14°C | 19 mph30 km/h from SW | Drizzle | Drizzle |
| April 24 | 38°F3°C | 49°F10°C | 11 mph17 km/h from NW | Rain | Partly Cloudy |
| April 25 | 35°F2°C | 46°F8°C | 9 mph14 km/h from NE | Partly Cloudy | Mostly Clear |
| April 26 | 35°F2°C | 52°F11°C | 8 mph13 km/h from NE | Mostly Clear | Mostly Cloudy |
Yes
Low of 35°F2°C, High of 53°F12°CWind: 13 mph21 km/h
Precipitation: None