Yes
you do need a jacket based on the weather in Waterloo, ON, Canada 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
48°F9°C & Cloudy
Wind is 2 mph4 km/h from the North, gusting to 4 mph7 km/h
| September 10 | ||||
| 6am | 48°F9°C | 3 mph4 km/h North | Cloudy | |
| 7am | 48°F9°C | 3 mph4 km/h North | Mostly Cloudy | |
| 8am | 50°F10°C | 2 mph3 km/h Northeast | Mostly Cloudy | |
| 9am | 56°F13°C | 2 mph3 km/h Northeast | Partly Cloudy | |
| 10am | 62°F17°C | 2 mph3 km/h Southeast | Partly Cloudy | |
| 11am | 66°F19°C | 3 mph4 km/h South | Mostly Cloudy | |
| 12pm | 69°F21°C | 3 mph4 km/h Southwest | Mostly Cloudy | |
| 1pm | 71°F22°C | 3 mph5 km/h South | Mostly Cloudy | |
| 2pm | 73°F23°C | 4 mph6 km/h South | Mostly Cloudy | |
| 3pm | 74°F23°C | 4 mph6 km/h Southwest | Cloudy | |
| 4pm | 74°F23°C | 3 mph5 km/h Southwest | Cloudy | |
| 5pm | 73°F23°C | 3 mph5 km/h West | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 10 | 47°F9°C | 74°F23°C | 3 mph4 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 11 | 51°F11°C | 75°F24°C | 4 mph6 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 12 | 54°F12°C | 75°F24°C | 3 mph5 km/h from South | Partly Cloudy | Partly Cloudy |
| September 13 | 55°F13°C | 75°F24°C | 7 mph11 km/h from Southwest | Mostly Cloudy | Thunderstorms |
| September 14 | 54°F12°C | 72°F22°C | 9 mph15 km/h from North | Mostly Clear | Clear |
| September 15 | 49°F10°C | 70°F21°C | 7 mph11 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 16 | 52°F11°C | 73°F23°C | 3 mph5 km/h from North | Partly Cloudy | Mostly Clear |
Yes
Low of 52°F11°C, High of 74°F24°CWind: 4 mph6 km/h
Precipitation: None