No
you don't need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
79°F26°C & Clear
Wind is 5 mph8 km/h from the Southwest, gusting to 10 mph16 km/h
| August 11 | ||||
| 11pm | 77°F25°C | 5 mph9 km/h Southwest | Clear | |
| August 12 | ||||
| 12am | 76°F24°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 1am | 75°F24°C | 5 mph8 km/h Southwest | Partly Cloudy | |
| 2am | 74°F23°C | 4 mph7 km/h Southwest | Partly Cloudy | |
| 3am | 73°F23°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 4am | 73°F23°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 5am | 72°F22°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 6am | 73°F23°C | 5 mph8 km/h Southwest | Mostly Clear | |
| 7am | 73°F23°C | 4 mph7 km/h Southwest | Mostly Clear | |
| 8am | 76°F24°C | 5 mph7 km/h Southwest | Mostly Clear | |
| 9am | 79°F26°C | 5 mph9 km/h Southwest | Mostly Clear | |
| 10am | 83°F28°C | 7 mph11 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 11 | 69°F21°C | 93°F34°C | 5 mph8 km/h from South | Mostly Clear | Mostly Clear |
| August 12 | 72°F22°C | 88°F31°C | 8 mph12 km/h from Southwest | Partly Cloudy | Drizzle |
| August 13 | 71°F22°C | 85°F30°C | 7 mph11 km/h from West | Drizzle | Partly Cloudy |
| August 14 | 65°F19°C | 83°F28°C | 5 mph8 km/h from Northeast | Mostly Clear | Clear |
| August 15 | 66°F19°C | 84°F29°C | 6 mph9 km/h from East | Mostly Clear | Clear |
| August 16 | 68°F20°C | 89°F32°C | 7 mph11 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| August 17 | 70°F21°C | 82°F28°C | 7 mph11 km/h from North | Partly Cloudy | Mostly Clear |
No
Low of 73°F23°C, High of 88°F31°CWind: 8 mph12 km/h
Precipitation: 45% rain