No
you don't need a jacket based on the weather in Waterloo, IA, USA 1 second ago
75°F24°C & Cloudy
Wind is 5 mph8 km/h from the Southeast, gusting to 10 mph16 km/h
| September 15 | ||||
| 11pm | 74°F24°C | 6 mph9 km/h Southeast | Thunderstorms | |
| September 16 | ||||
| 12am | 73°F23°C | 6 mph9 km/h Southeast | Cloudy | |
| 1am | 72°F22°C | 6 mph10 km/h Southeast | Cloudy | |
| 2am | 71°F21°C | 5 mph9 km/h Southeast | Cloudy | |
| 3am | 70°F21°C | 5 mph9 km/h Southeast | Cloudy | |
| 4am | 69°F20°C | 4 mph7 km/h Southeast | Cloudy | |
| 5am | 68°F20°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| 6am | 67°F19°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 7am | 67°F19°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 8am | 66°F19°C | 5 mph8 km/h Southeast | Mostly Cloudy | |
| 9am | 68°F20°C | 5 mph9 km/h Southeast | Mostly Cloudy | |
| 10am | 71°F21°C | 6 mph9 km/h Southeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 68°F20°C | 87°F31°C | 6 mph10 km/h from Southeast | Partly Cloudy | Thunderstorms |
| September 16 | 66°F19°C | 84°F29°C | 5 mph9 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
| September 17 | 64°F18°C | 83°F28°C | 5 mph9 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 18 | 62°F17°C | 82°F28°C | 7 mph12 km/h from Southeast | Mostly Cloudy | Rain |
| September 19 | 64°F18°C | 76°F25°C | 9 mph15 km/h from South | Thunderstorms | Rain |
| September 20 | 61°F16°C | 76°F24°C | 8 mph13 km/h from South | Partly Cloudy | Thunderstorms |
| September 21 | 62°F17°C | 79°F26°C | 9 mph15 km/h from Southwest | Partly Cloudy | Thunderstorms |
No
Low of 66°F19°C, High of 84°F29°CWind: 5 mph9 km/h
Precipitation: None