No
you don't need a jacket based on the weather in Waterloo, ON, Canada 1 second ago
68°F20°C & Cloudy
Wind is 8 mph13 km/h from the South, gusting to 16 mph26 km/h
| September 3 | ||||
| 9pm | 67°F19°C | 8 mph12 km/h Southwest | Cloudy | |
| 10pm | 64°F18°C | 6 mph10 km/h Southwest | Cloudy | |
| 11pm | 62°F17°C | 3 mph6 km/h Southwest | Cloudy | |
| September 4 | ||||
| 12am | 61°F16°C | 5 mph7 km/h South | Cloudy | |
| 1am | 60°F16°C | 3 mph5 km/h Southwest | Cloudy | |
| 2am | 59°F15°C | 4 mph6 km/h South | Cloudy | |
| 3am | 59°F15°C | 5 mph8 km/h Southwest | Drizzle | |
| 4am | 59°F15°C | 7 mph12 km/h Southwest | Drizzle | |
| 5am | 58°F15°C | 7 mph11 km/h Southwest | Rain | |
| 6am | 58°F15°C | 7 mph11 km/h West | Rain | |
| 7am | 57°F14°C | 8 mph13 km/h Northwest | Rain | |
| 8am | 56°F13°C | 10 mph16 km/h Northwest | Rain | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 3 | 48°F9°C | 78°F26°C | 9 mph14 km/h from South | Mostly Clear | Rain |
| September 4 | 50°F10°C | 64°F18°C | 11 mph17 km/h from Northwest | Rain | Mostly Clear |
| September 5 | 47°F9°C | 69°F21°C | 17 mph28 km/h from Southwest | Windy | Partly Cloudy |
| September 6 | 47°F8°C | 64°F18°C | 11 mph18 km/h from West | Partly Cloudy | Mostly Clear |
| September 7 | 46°F8°C | 62°F17°C | 11 mph17 km/h from West | Partly Cloudy | Mostly Clear |
| September 8 | 44°F7°C | 64°F18°C | 7 mph11 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 9 | 44°F7°C | 67°F20°C | 5 mph8 km/h from Southwest | Mostly Clear | Partly Cloudy |
Yes
Low of 50°F10°C, High of 64°F18°CWind: 11 mph17 km/h
Precipitation: 83% rain