Yes
you do need a jacket based on the weather in Waterloo, ON, Canada 13 minutes ago
Why? Because it's pretty chilly!
56°F14°C & Clear
Wind is 3 mph5 km/h from the Northeast, gusting to 6 mph9 km/h
| September 17 | ||||
| 12am | 55°F13°C | 4 mph6 km/h Northeast | Clear | |
| 1am | 54°F12°C | 4 mph7 km/h Northeast | Clear | |
| 2am | 53°F11°C | 4 mph6 km/h Northeast | Clear | |
| 3am | 51°F11°C | 4 mph6 km/h Northeast | Clear | |
| 4am | 50°F10°C | 4 mph7 km/h North | Clear | |
| 5am | 50°F10°C | 4 mph7 km/h North | Clear | |
| 6am | 49°F10°C | 4 mph7 km/h North | Clear | |
| 7am | 50°F10°C | 4 mph6 km/h Northeast | Clear | |
| 8am | 52°F11°C | 4 mph6 km/h North | Clear | |
| 9am | 58°F15°C | 3 mph5 km/h Northeast | Clear | |
| 10am | 65°F19°C | 4 mph6 km/h East | Clear | |
| 11am | 70°F21°C | 3 mph5 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 48°F9°C | 80°F27°C | 5 mph8 km/h from East | Mostly Clear | Clear |
| September 17 | 49°F10°C | 79°F26°C | 3 mph4 km/h from Northeast | Clear | Clear |
| September 18 | 53°F12°C | 79°F26°C | 8 mph13 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 19 | 50°F10°C | 70°F21°C | 7 mph11 km/h from Northeast | Mostly Clear | Clear |
| September 20 | 45°F7°C | 68°F20°C | 11 mph18 km/h from East | Mostly Clear | Mostly Clear |
| September 21 | 47°F8°C | 79°F26°C | 9 mph15 km/h from South | Partly Cloudy | Partly Cloudy |
| September 22 | 61°F16°C | 76°F24°C | 13 mph20 km/h from Southwest | Drizzle | Partly Cloudy |
Yes
Low of 49°F10°C, High of 79°F26°CWind: 3 mph4 km/h
Precipitation: None