No
you don't need a jacket based on the weather in Hamilton (Westdale South), Ontario, Canada 1 second ago
81°F27°C & Clear
Wind is 3 mph5 km/h from the Northeast, gusting to 6 mph10 km/h
| July 14 | ||||
| 9pm | 80°F27°C | 3 mph6 km/h North | Clear | |
| 10pm | 78°F26°C | 2 mph3 km/h West | Mostly Clear | |
| 11pm | 76°F25°C | 4 mph6 km/h West | Clear | |
| July 15 | ||||
| 12am | 74°F24°C | 4 mph7 km/h West | Clear | |
| 1am | 73°F23°C | 3 mph5 km/h West | Clear | |
| 2am | 71°F22°C | 4 mph6 km/h West | Clear | |
| 3am | 70°F21°C | 4 mph7 km/h West | Clear | |
| 4am | 68°F20°C | 4 mph6 km/h West | Clear | |
| 5am | 67°F19°C | 4 mph6 km/h West | Clear | |
| 6am | 66°F19°C | 3 mph5 km/h West | Clear | |
| 7am | 67°F20°C | 3 mph5 km/h West | Clear | |
| 8am | 71°F22°C | 2 mph4 km/h West | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 14 | 71°F22°C | 87°F31°C | 2 mph4 km/h from East | Partly Cloudy | Clear |
| July 15 | 66°F19°C | 89°F32°C | 4 mph6 km/h from South | Clear | Clear |
| July 16 | 68°F20°C | 89°F31°C | 5 mph8 km/h from Southwest | Partly Cloudy | Drizzle |
| July 17 | 68°F20°C | 85°F29°C | 12 mph20 km/h from West | Rain | Mostly Cloudy |
| July 18 | 61°F16°C | 75°F24°C | 9 mph15 km/h from Northeast | Mostly Clear | Clear |
| July 19 | 59°F15°C | 80°F27°C | 4 mph7 km/h from Southeast | Partly Cloudy | Thunderstorms |
| July 20 | 67°F20°C | 83°F28°C | 6 mph10 km/h from West | Drizzle | Partly Cloudy |
No
Low of 66°F19°C, High of 90°F32°CWind: 4 mph6 km/h
Precipitation: None