Yes
you do need a jacket based on the weather in Waterloo, ON, Canada 1 second ago
Why? Because it's not very warm out.
52°F11°C & Rain
Wind is 7 mph12 km/h from the E, gusting to 17 mph27 km/h
| May 8 | ||||
| 12am | 52°F11°C | 8 mph12 km/h E | Rain | |
| 1am | 51°F11°C | 8 mph13 km/h E | Rain | |
| 2am | 50°F10°C | 7 mph11 km/h SE | Cloudy | |
| 3am | 51°F10°C | 7 mph11 km/h SE | Mostly Cloudy | |
| 4am | 51°F11°C | 6 mph10 km/h S | Mostly Cloudy | |
| 5am | 52°F11°C | 5 mph8 km/h SW | Mostly Cloudy | |
| 6am | 54°F12°C | 7 mph12 km/h W | Partly Cloudy | |
| 7am | 56°F13°C | 9 mph15 km/h W | Mostly Clear | |
| 8am | 58°F15°C | 12 mph19 km/h W | Mostly Clear | |
| 9am | 61°F16°C | 15 mph23 km/h W | Mostly Clear | |
| 10am | 63°F17°C | 17 mph27 km/h W | Windy | |
| 11am | 64°F18°C | 18 mph29 km/h W | Windy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 7 | 40°F4°C | 69°F21°C | 8 mph13 km/h from E | Partly Cloudy | Rain |
| May 8 | 49°F9°C | 68°F20°C | 18 mph29 km/h from W | Windy | Partly Cloudy |
| May 9 | 44°F7°C | 56°F13°C | 10 mph15 km/h from NE | Cloudy | Mostly Cloudy |
| May 10 | 43°F6°C | 57°F14°C | 8 mph12 km/h from N | Mostly Cloudy | Partly Cloudy |
| May 11 | 39°F4°C | 53°F12°C | 8 mph12 km/h from SE | Cloudy | Mostly Cloudy |
| May 12 | 40°F4°C | 61°F16°C | 9 mph14 km/h from W | Mostly Cloudy | Partly Cloudy |
| May 13 | 48°F9°C | 69°F20°C | 11 mph17 km/h from SW | Drizzle | Rain |
Yes
Low of 49°F10°C, High of 68°F20°CWind: 18 mph29 km/h
Precipitation: 17% rain