No
you don't need a jacket based on the weather in Waterloo, ON N2L 3W3, Canada 1 second ago
71°F21°C & Mostly Cloudy
Wind is 7 mph12 km/h from the West, gusting to 19 mph30 km/h
| July 27 | ||||
| 7am | 71°F22°C | 8 mph13 km/h West | Partly Cloudy | |
| 8am | 72°F22°C | 9 mph15 km/h West | Partly Cloudy | |
| 9am | 74°F24°C | 11 mph17 km/h Northwest | Mostly Clear | |
| 10am | 76°F25°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 11am | 79°F26°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 12pm | 81°F27°C | 11 mph17 km/h Northwest | Mostly Clear | |
| 1pm | 83°F28°C | 9 mph15 km/h Northwest | Mostly Clear | |
| 2pm | 84°F29°C | 10 mph16 km/h Northwest | Mostly Clear | |
| 3pm | 85°F29°C | 10 mph16 km/h Northwest | Mostly Clear | |
| 4pm | 85°F30°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 5pm | 85°F29°C | 11 mph18 km/h Northwest | Mostly Clear | |
| 6pm | 84°F29°C | 11 mph17 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 27 | 69°F20°C | 85°F30°C | 10 mph17 km/h from Northwest | Mostly Clear | Clear |
| July 28 | 64°F18°C | 88°F31°C | 6 mph9 km/h from Southwest | Clear | Mostly Clear |
| July 29 | 68°F20°C | 87°F30°C | 7 mph11 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| July 30 | 65°F19°C | 83°F28°C | 7 mph11 km/h from Northwest | Partly Cloudy | Partly Cloudy |
| July 31 | 58°F14°C | 75°F24°C | 10 mph15 km/h from Northeast | Mostly Clear | Mostly Clear |
| August 1 | 53°F12°C | 72°F22°C | 9 mph14 km/h from Northeast | Mostly Clear | Clear |
| August 2 | 52°F11°C | 75°F24°C | 5 mph8 km/h from Northeast | Mostly Clear | Clear |
No
Low of 64°F18°C, High of 88°F31°CWind: 6 mph9 km/h
Precipitation: None