No
you don't need a jacket based on the weather in Yellowstone National Park, United States 6 minutes ago
60°F16°C & Cloudy
Wind is 7 mph12 km/h from the Northwest, gusting to 15 mph24 km/h
| June 17 | ||||
| 4pm | 61°F16°C | 9 mph14 km/h Northwest | Cloudy | |
| 5pm | 61°F16°C | 10 mph15 km/h Northwest | Mostly Cloudy | |
| 6pm | 62°F17°C | 10 mph17 km/h Northwest | Mostly Cloudy | |
| 7pm | 62°F17°C | 10 mph17 km/h West | Mostly Cloudy | |
| 8pm | 61°F16°C | 11 mph17 km/h West | Partly Cloudy | |
| 9pm | 60°F16°C | 9 mph15 km/h Northwest | Partly Cloudy | |
| 10pm | 58°F14°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 11pm | 54°F12°C | 3 mph5 km/h West | Partly Cloudy | |
| June 18 | ||||
| 12am | 51°F11°C | 3 mph5 km/h South | Partly Cloudy | |
| 1am | 49°F9°C | 4 mph6 km/h South | Partly Cloudy | |
| 2am | 48°F9°C | 3 mph6 km/h South | Partly Cloudy | |
| 3am | 46°F8°C | 4 mph6 km/h South | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 17 | 39°F4°C | 62°F17°C | 7 mph12 km/h from Northwest | Partly Cloudy | Mostly Clear |
| June 18 | 42°F6°C | 67°F20°C | 9 mph14 km/h from West | Mostly Clear | Clear |
| June 19 | 45°F7°C | 74°F24°C | 11 mph18 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 20 | 46°F8°C | 67°F20°C | 11 mph18 km/h from Southwest | Partly Cloudy | Mostly Clear |
| June 21 | 36°F2°C | 58°F15°C | 14 mph23 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 22 | 30°F-1°C | 48°F9°C | 12 mph20 km/h from Southwest | Partly Cloudy | Clear |
| June 23 | 29°F-2°C | 56°F13°C | 9 mph14 km/h from Southwest | Partly Cloudy | Partly Cloudy |
Yes
Low of 42°F6°C, High of 67°F20°CWind: 9 mph14 km/h
Precipitation: None