No
you don't need a jacket based on the weather in Hamilton, ON, Canada 1 second ago
66°F19°C & Mostly Clear
Wind is 7 mph11 km/h from the West, gusting to 14 mph22 km/h
| June 12 | ||||
| 1am | 65°F19°C | 7 mph12 km/h West | Mostly Clear | |
| 2am | 63°F17°C | 7 mph11 km/h West | Mostly Cloudy | |
| 3am | 61°F16°C | 7 mph11 km/h West | Partly Cloudy | |
| 4am | 59°F15°C | 7 mph11 km/h West | Mostly Cloudy | |
| 5am | 58°F15°C | 6 mph10 km/h West | Cloudy | |
| 6am | 58°F15°C | 5 mph8 km/h West | Cloudy | |
| 7am | 59°F15°C | 5 mph9 km/h West | Cloudy | |
| 8am | 61°F16°C | 4 mph6 km/h Northwest | Cloudy | |
| 9am | 62°F17°C | 4 mph6 km/h Northwest | Cloudy | |
| 10am | 63°F17°C | 3 mph5 km/h West | Cloudy | |
| 11am | 66°F19°C | 5 mph8 km/h West | Cloudy | |
| 12pm | 68°F20°C | 6 mph10 km/h West | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 12 | 58°F15°C | 75°F24°C | 6 mph9 km/h from Northwest | Mostly Cloudy | Mostly Cloudy |
| June 13 | 55°F13°C | 63°F17°C | 13 mph20 km/h from Northeast | Mostly Cloudy | Drizzle |
| June 14 | 55°F13°C | 65°F18°C | 12 mph19 km/h from Northeast | Drizzle | Partly Cloudy |
| June 15 | 57°F14°C | 69°F21°C | 9 mph15 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| June 16 | 59°F15°C | 78°F26°C | 3 mph6 km/h from East | Mostly Cloudy | Partly Cloudy |
| June 17 | 64°F18°C | 82°F28°C | 6 mph10 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| June 18 | 65°F19°C | 84°F29°C | 10 mph17 km/h from Southwest | Drizzle | Drizzle |
Yes
Low of 55°F13°C, High of 64°F18°CWind: 13 mph20 km/h
Precipitation: 11% rain