Yes
you do need a jacket based on the weather in Hamilton, ON, Canada 5 seconds ago
Why? Because it's why-did-i-leave-my bed degrees out and it's so windy, your hat is now someone else's problem, two cities away!
12°F-11°C & Windy
Wind is 18 mph29 km/h from the West, gusting to 30 mph48 km/h
| January 20 | ||||
| 12pm | 12°F-11°C | 18 mph29 km/h West | Windy | |
| 1pm | 13°F-11°C | 18 mph29 km/h West | Windy | |
| 2pm | 13°F-11°C | 18 mph29 km/h West | Windy | |
| 3pm | 12°F-11°C | 18 mph29 km/h West | Windy | |
| 4pm | 12°F-11°C | 17 mph27 km/h West | Windy | |
| 5pm | 11°F-12°C | 15 mph24 km/h West | Mostly Clear | |
| 6pm | 10°F-12°C | 13 mph22 km/h West | Partly Cloudy | |
| 7pm | 10°F-12°C | 13 mph22 km/h Southwest | Partly Cloudy | |
| 8pm | 10°F-12°C | 15 mph23 km/h Southwest | Partly Cloudy | |
| 9pm | 9°F-13°C | 16 mph26 km/h Southwest | Windy | |
| 10pm | 9°F-13°C | 16 mph26 km/h West | Windy | |
| 11pm | 8°F-13°C | 16 mph26 km/h West | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| January 20 | 7°F-14°C | 16°F-9°C | 15 mph23 km/h from West | Mostly Cloudy | Mostly Clear |
| January 21 | 3°F-16°C | 10°F-12°C | 13 mph21 km/h from West | Mostly Clear | Clear |
| January 22 | 1°F-17°C | 16°F-9°C | 12 mph19 km/h from Southwest | Partly Cloudy | Cloudy |
| January 23 | 16°F-9°C | 26°F-3°C | 11 mph17 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| January 24 | 14°F-10°C | 25°F-4°C | 6 mph10 km/h from West | Mostly Cloudy | Partly Cloudy |
| January 25 | 15°F-10°C | 29°F-1°C | 14 mph22 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| January 26 | 20°F-6°C | 29°F-2°C | 10 mph16 km/h from West | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 3°F-16°C, High of 10°F-12°CWind: 13 mph21 km/h
Precipitation: None