No
you don't need a jacket based on the weather in Waterloo, ON, Canada 20 minutes ago
66°F19°C & Mostly Cloudy
Wind is 5 mph8 km/h from the East, gusting to 10 mph16 km/h
| June 15 | ||||
| 9pm | 65°F18°C | 5 mph8 km/h East | Mostly Cloudy | |
| 10pm | 62°F17°C | 5 mph8 km/h East | Mostly Cloudy | |
| 11pm | 59°F15°C | 4 mph7 km/h East | Partly Cloudy | |
| June 16 | ||||
| 12am | 57°F14°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 55°F13°C | 4 mph7 km/h Northeast | Clear | |
| 2am | 55°F13°C | 4 mph7 km/h Northeast | Mostly Clear | |
| 3am | 55°F13°C | 4 mph7 km/h Northeast | Mostly Cloudy | |
| 4am | 54°F12°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 5am | 54°F12°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 6am | 54°F12°C | 5 mph8 km/h Northeast | Mostly Cloudy | |
| 7am | 57°F14°C | 5 mph7 km/h East | Cloudy | |
| 8am | 60°F16°C | 5 mph9 km/h East | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 15 | 52°F11°C | 75°F24°C | 6 mph10 km/h from East | Partly Cloudy | Partly Cloudy |
| June 16 | 54°F12°C | 79°F26°C | 5 mph8 km/h from Southeast | Mostly Cloudy | Partly Cloudy |
| June 17 | 61°F16°C | 79°F26°C | 9 mph14 km/h from South | Drizzle | Partly Cloudy |
| June 18 | 64°F18°C | 82°F28°C | 8 mph13 km/h from Southwest | Partly Cloudy | Drizzle |
| June 19 | 61°F16°C | 75°F24°C | 16 mph26 km/h from West | Windy | Partly Cloudy |
| June 20 | 58°F14°C | 76°F24°C | 10 mph16 km/h from Northwest | Partly Cloudy | Mostly Cloudy |
| June 21 | 59°F15°C | 80°F27°C | 12 mph20 km/h from Southwest | Mostly Cloudy | Thunderstorms |
Yes
Low of 55°F13°C, High of 79°F26°CWind: 5 mph8 km/h
Precipitation: None