No
you don't need a jacket based on the weather in Waterloo, IA, USA 1 second ago
67°F19°C & Clear
Wind is 3 mph5 km/h from the Northwest, gusting to 8 mph13 km/h
| September 7 | ||||
| 6pm | 67°F19°C | 4 mph6 km/h Northwest | Mostly Clear | |
| 7pm | 65°F19°C | 4 mph6 km/h Northwest | Clear | |
| 8pm | 63°F17°C | 1 mph2 km/h Northwest | Clear | |
| 9pm | 59°F15°C | 2 mph3 km/h Southeast | Clear | |
| 10pm | 56°F14°C | 4 mph7 km/h Southeast | Clear | |
| 11pm | 54°F12°C | 5 mph9 km/h Southeast | Clear | |
| September 8 | ||||
| 12am | 53°F11°C | 5 mph8 km/h Southeast | Clear | |
| 1am | 51°F11°C | 6 mph9 km/h Southeast | Clear | |
| 2am | 50°F10°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 3am | 50°F10°C | 6 mph10 km/h Southeast | Mostly Clear | |
| 4am | 49°F10°C | 7 mph11 km/h Southeast | Mostly Clear | |
| 5am | 49°F10°C | 7 mph12 km/h Southeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 39°F4°C | 68°F20°C | 4 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 8 | 49°F9°C | 76°F24°C | 13 mph22 km/h from South | Partly Cloudy | Partly Cloudy |
| September 9 | 57°F14°C | 75°F24°C | 11 mph17 km/h from South | Partly Cloudy | Partly Cloudy |
| September 10 | 58°F14°C | 78°F25°C | 3 mph5 km/h from South | Partly Cloudy | Mostly Clear |
| September 11 | 59°F15°C | 79°F26°C | 5 mph9 km/h from Southeast | Partly Cloudy | Partly Cloudy |
| September 12 | 61°F16°C | 83°F28°C | 10 mph17 km/h from Southeast | Partly Cloudy | Cloudy |
| September 13 | 66°F19°C | 84°F29°C | 10 mph16 km/h from South | Mostly Cloudy | Partly Cloudy |
Yes
Low of 49°F10°C, High of 76°F25°CWind: 13 mph22 km/h
Precipitation: None