No
you don't need a jacket based on the weather in Waterloo, ON, Canada 3 minutes ago
68°F20°C & Clear
Wind is 7 mph12 km/h from the Southeast, gusting to 14 mph23 km/h
| May 15 | ||||
| 9pm | 67°F20°C | 8 mph13 km/h Southeast | Clear | |
| 10pm | 64°F18°C | 7 mph11 km/h Southeast | Mostly Clear | |
| 11pm | 62°F17°C | 7 mph11 km/h Southeast | Mostly Clear | |
| May 16 | ||||
| 12am | 61°F16°C | 7 mph11 km/h Southeast | Partly Cloudy | |
| 1am | 61°F16°C | 7 mph11 km/h Southeast | Mostly Cloudy | |
| 2am | 60°F16°C | 7 mph11 km/h Southeast | Cloudy | |
| 3am | 60°F16°C | 6 mph9 km/h Southeast | Thunderstorms | |
| 4am | 61°F16°C | 8 mph13 km/h South | Thunderstorms | |
| 5am | 61°F16°C | 7 mph11 km/h Southeast | Thunderstorms | |
| 6am | 62°F16°C | 8 mph13 km/h South | Cloudy | |
| 7am | 62°F17°C | 7 mph12 km/h South | Mostly Cloudy | |
| 8am | 65°F18°C | 9 mph15 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 15 | 55°F13°C | 76°F25°C | 7 mph11 km/h from Southeast | Partly Cloudy | Thunderstorms |
| May 16 | 60°F16°C | 77°F25°C | 11 mph18 km/h from West | Mostly Clear | Rain |
| May 17 | 52°F11°C | 63°F17°C | 16 mph26 km/h from West | Rain | Mostly Cloudy |
| May 18 | 46°F8°C | 59°F15°C | 16 mph26 km/h from Northwest | Windy | Mostly Clear |
| May 19 | 42°F5°C | 59°F15°C | 10 mph16 km/h from North | Partly Cloudy | Mostly Clear |
| May 20 | 37°F3°C | 62°F16°C | 8 mph13 km/h from Northeast | Partly Cloudy | Mostly Cloudy |
| May 21 | 44°F7°C | 55°F13°C | 14 mph23 km/h from East | Mostly Cloudy | Drizzle |
No
Low of 60°F16°C, High of 78°F26°CWind: 11 mph18 km/h
Precipitation: 13% rain