No
you don't need a jacket based on the weather in Sun Prairie, WI 53590, USA 1 second ago
70°F21°C & Cloudy
Wind is 12 mph19 km/h from the South, gusting to 18 mph29 km/h
| September 8 | ||||
| 4pm | 71°F22°C | 12 mph20 km/h South | Mostly Clear | |
| 5pm | 71°F22°C | 12 mph19 km/h South | Clear | |
| 6pm | 70°F21°C | 11 mph18 km/h South | Clear | |
| 7pm | 68°F20°C | 9 mph14 km/h South | Clear | |
| 8pm | 65°F18°C | 7 mph12 km/h South | Clear | |
| 9pm | 62°F16°C | 8 mph12 km/h South | Mostly Clear | |
| 10pm | 60°F15°C | 8 mph13 km/h South | Mostly Cloudy | |
| 11pm | 58°F15°C | 9 mph14 km/h South | Mostly Cloudy | |
| September 9 | ||||
| 12am | 57°F14°C | 9 mph15 km/h South | Mostly Cloudy | |
| 1am | 57°F14°C | 9 mph15 km/h South | Mostly Cloudy | |
| 2am | 56°F13°C | 9 mph15 km/h South | Mostly Cloudy | |
| 3am | 55°F13°C | 9 mph15 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 8 | 41°F5°C | 71°F22°C | 8 mph13 km/h from South | Mostly Clear | Partly Cloudy |
| September 9 | 51°F11°C | 73°F23°C | 10 mph16 km/h from South | Mostly Cloudy | Mostly Cloudy |
| September 10 | 54°F12°C | 74°F23°C | 4 mph7 km/h from South | Partly Cloudy | Mostly Clear |
| September 11 | 55°F13°C | 76°F25°C | 5 mph9 km/h from East | Mostly Clear | Mostly Clear |
| September 12 | 55°F13°C | 80°F27°C | 8 mph12 km/h from South | Partly Cloudy | Mostly Cloudy |
| September 13 | 64°F18°C | 79°F26°C | 9 mph14 km/h from South | Thunderstorms | Thunderstorms |
| September 14 | 60°F16°C | 76°F24°C | 9 mph15 km/h from Northeast | Partly Cloudy | Partly Cloudy |
Yes
Low of 51°F11°C, High of 73°F23°CWind: 10 mph16 km/h
Precipitation: None