No
you don't need a jacket based on the weather in Rapid City, SD, USA 1 second ago
69°F20°C & Mostly Cloudy
Wind is 7 mph12 km/h from the Northwest, gusting to 19 mph30 km/h
| September 16 | ||||
| 12am | 66°F19°C | 10 mph16 km/h Northwest | Mostly Cloudy | |
| 1am | 66°F19°C | 8 mph13 km/h Northwest | Mostly Cloudy | |
| 2am | 64°F18°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 3am | 62°F17°C | 9 mph15 km/h Northwest | Partly Cloudy | |
| 4am | 61°F16°C | 7 mph10 km/h Northwest | Mostly Cloudy | |
| 5am | 59°F15°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 6am | 58°F15°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 7am | 58°F14°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 8am | 57°F14°C | 7 mph11 km/h Northwest | Mostly Cloudy | |
| 9am | 58°F14°C | 8 mph13 km/h Northwest | Mostly Cloudy | |
| 10am | 61°F16°C | 9 mph14 km/h Northwest | Cloudy | |
| 11am | 65°F18°C | 9 mph14 km/h North | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 55°F13°C | 87°F31°C | 5 mph7 km/h from West | Mostly Clear | Mostly Cloudy |
| September 16 | 57°F14°C | 71°F22°C | 8 mph14 km/h from North | Cloudy | Rain |
| September 17 | 57°F14°C | 65°F18°C | 12 mph19 km/h from North | Rain | Rain |
| September 18 | 55°F13°C | 68°F20°C | 11 mph18 km/h from North | Drizzle | Mostly Clear |
| September 19 | 50°F10°C | 71°F22°C | 5 mph7 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 20 | 52°F11°C | 77°F25°C | 6 mph9 km/h from Southeast | Partly Cloudy | Mostly Clear |
| September 21 | 59°F15°C | 78°F25°C | 8 mph13 km/h from North | Mostly Clear | Mostly Clear |
Yes
Low of 57°F14°C, High of 72°F22°CWind: 8 mph14 km/h
Precipitation: 17% rain