Yes
you do need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
Why? Because it's pretty chilly!
59°F15°C & Clear
Wind is 4 mph6 km/h from the North, gusting to 9 mph15 km/h
| July 18 | ||||
| 8am | 60°F16°C | 5 mph8 km/h Northeast | Clear | |
| 9am | 63°F17°C | 6 mph10 km/h Northeast | Clear | |
| 10am | 65°F19°C | 8 mph12 km/h Northeast | Clear | |
| 11am | 68°F20°C | 8 mph13 km/h East | Clear | |
| 12pm | 70°F21°C | 9 mph14 km/h East | Clear | |
| 1pm | 71°F22°C | 8 mph13 km/h East | Clear | |
| 2pm | 73°F23°C | 8 mph13 km/h East | Clear | |
| 3pm | 74°F23°C | 7 mph12 km/h East | Clear | |
| 4pm | 74°F24°C | 7 mph11 km/h East | Clear | |
| 5pm | 75°F24°C | 7 mph11 km/h Northeast | Clear | |
| 6pm | 74°F24°C | 6 mph10 km/h Northeast | Clear | |
| 7pm | 73°F23°C | 5 mph8 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 18 | 55°F13°C | 75°F24°C | 7 mph11 km/h from Northeast | Clear | Clear |
| July 19 | 58°F15°C | 83°F28°C | 5 mph8 km/h from South | Partly Cloudy | Rain |
| July 20 | 66°F19°C | 82°F28°C | 8 mph13 km/h from North | Partly Cloudy | Clear |
| July 21 | 61°F16°C | 75°F24°C | 6 mph10 km/h from Northeast | Mostly Clear | Mostly Clear |
| July 22 | 61°F16°C | 77°F25°C | 9 mph14 km/h from East | Clear | Mostly Clear |
| July 23 | 64°F18°C | 86°F30°C | 9 mph15 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| July 24 | 73°F23°C | 91°F33°C | 12 mph19 km/h from Southwest | Thunderstorms | Mostly Clear |
Yes
Low of 58°F15°C, High of 82°F28°CWind: 5 mph8 km/h
Precipitation: None