No
you don't need a jacket based on the weather in Hamilton, ON, Canada 3 minutes ago
74°F23°C & Partly Cloudy
Wind is 5 mph8 km/h from the Southwest, gusting to 12 mph19 km/h
| August 13 | ||||
| 3am | 73°F23°C | 5 mph8 km/h Southwest | Thunderstorms | |
| 4am | 72°F22°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 5am | 72°F22°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 6am | 72°F22°C | 4 mph7 km/h Southwest | Drizzle | |
| 7am | 72°F22°C | 5 mph9 km/h Southwest | Cloudy | |
| 8am | 73°F23°C | 4 mph7 km/h Southwest | Cloudy | |
| 9am | 75°F24°C | 4 mph7 km/h West | Cloudy | |
| 10am | 77°F25°C | 4 mph7 km/h West | Cloudy | |
| 11am | 78°F26°C | 5 mph7 km/h West | Cloudy | |
| 12pm | 80°F27°C | 5 mph9 km/h Southwest | Cloudy | |
| 1pm | 81°F27°C | 6 mph10 km/h West | Cloudy | |
| 2pm | 83°F28°C | 6 mph9 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| August 13 | 71°F22°C | 86°F30°C | 5 mph9 km/h from West | Rain | Clear |
| August 14 | 65°F18°C | 83°F28°C | 5 mph8 km/h from Northeast | Mostly Clear | Mostly Clear |
| August 15 | 66°F19°C | 84°F29°C | 5 mph8 km/h from East | Mostly Clear | Clear |
| August 16 | 65°F19°C | 87°F31°C | 5 mph8 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| August 17 | 66°F19°C | 82°F28°C | 8 mph13 km/h from North | Drizzle | Mostly Clear |
| August 18 | 60°F16°C | 70°F21°C | 10 mph15 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| August 19 | 60°F16°C | 72°F22°C | 9 mph15 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
No
Low of 65°F19°C, High of 83°F29°CWind: 5 mph8 km/h
Precipitation: None