No
you don't need a jacket based on the weather in Hamilton, ON, Canada 16 minutes ago
74°F23°C & Mostly Clear
Wind is 4 mph7 km/h from the Southwest, gusting to 8 mph13 km/h
| August 12 | ||||
| 3am | 73°F23°C | 5 mph7 km/h Southwest | Partly Cloudy | |
| 4am | 73°F23°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 5am | 73°F23°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 6am | 73°F23°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 7am | 74°F23°C | 4 mph7 km/h Southwest | Clear | |
| 8am | 77°F25°C | 5 mph9 km/h Southwest | Clear | |
| 9am | 80°F27°C | 5 mph9 km/h Southwest | Clear | |
| 10am | 84°F29°C | 6 mph10 km/h Southwest | Clear | |
| 11am | 86°F30°C | 8 mph13 km/h Southwest | Mostly Clear | |
| 12pm | 87°F31°C | 9 mph14 km/h Southwest | Partly Cloudy | |
| 1pm | 88°F31°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| 2pm | 87°F31°C | 10 mph15 km/h Southwest | Thunderstorms | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 12 | 73°F23°C | 88°F31°C | 8 mph12 km/h from Southwest | Partly Cloudy | Thunderstorms |
| August 13 | 71°F22°C | 85°F29°C | 8 mph12 km/h from West | Drizzle | Mostly Clear |
| August 14 | 65°F18°C | 83°F28°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| August 15 | 66°F19°C | 83°F29°C | 5 mph9 km/h from East | Mostly Clear | Clear |
| August 16 | 67°F20°C | 88°F31°C | 6 mph10 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| August 17 | 71°F22°C | 84°F29°C | 6 mph9 km/h from North | Drizzle | Partly Cloudy |
| August 18 | 68°F20°C | 76°F24°C | 9 mph15 km/h from Northeast | Partly Cloudy | Partly Cloudy |
No
Low of 72°F22°C, High of 85°F30°CWind: 8 mph12 km/h
Precipitation: 33% rain