Yes
you do need a jacket based on the weather in Hamilton (Ancaster), Ontario, Canada 1 second ago
Why? Because there's a refreshing nip in the air.
47°F8°C & Mostly Cloudy
Wind is 9 mph15 km/h from the SW, gusting to 18 mph29 km/h
| April 24 | ||||
| 3am | 46°F8°C | 10 mph16 km/h W | Cloudy | |
| 4am | 46°F8°C | 9 mph14 km/h W | Cloudy | |
| 5am | 46°F8°C | 7 mph11 km/h W | Cloudy | |
| 6am | 45°F7°C | 6 mph9 km/h W | Cloudy | |
| 7am | 45°F7°C | 5 mph8 km/h NW | Cloudy | |
| 8am | 45°F7°C | 9 mph15 km/h N | Cloudy | |
| 9am | 43°F6°C | 12 mph20 km/h N | Cloudy | |
| 10am | 40°F5°C | 13 mph20 km/h N | Cloudy | |
| 11am | 40°F4°C | 13 mph20 km/h N | Cloudy | |
| 12pm | 42°F5°C | 12 mph19 km/h N | Mostly Cloudy | |
| 1pm | 45°F7°C | 12 mph19 km/h N | Partly Cloudy | |
| 2pm | 47°F8°C | 11 mph18 km/h N | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 24 | 34°F1°C | 50°F10°C | 11 mph17 km/h from N | Partly Cloudy | Clear |
| April 25 | 30°F-1°C | 50°F10°C | 7 mph12 km/h from E | Clear | Clear |
| April 26 | 32°F-0°C | 56°F13°C | 11 mph18 km/h from NE | Mostly Clear | Rain |
| April 27 | 44°F7°C | 65°F19°C | 12 mph20 km/h from S | Rain | Mostly Cloudy |
| April 28 | 57°F14°C | 71°F22°C | 13 mph21 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 29 | 51°F11°C | 76°F25°C | 12 mph20 km/h from SW | Mostly Cloudy | Cloudy |
| April 30 | 53°F12°C | 68°F20°C | 12 mph19 km/h from W | Cloudy | Mostly Clear |
Yes
Low of 30°F-1°C, High of 50°F10°CWind: 7 mph12 km/h
Precipitation: None