Yes
you do need a jacket based on the weather in Yellowstone National Park, United States 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
44°F6°C & Partly Cloudy
Wind is 3 mph5 km/h from the Northeast, gusting to 8 mph13 km/h
| June 17 | ||||
| 3am | 43°F6°C | 4 mph6 km/h Northeast | Partly Cloudy | |
| 4am | 42°F5°C | 3 mph5 km/h Northeast | Mostly Clear | |
| 5am | 41°F5°C | 1 mph2 km/h North | Mostly Clear | |
| 6am | 40°F5°C | 2 mph4 km/h North | Mostly Clear | |
| 7am | 40°F4°C | 3 mph4 km/h North | Mostly Clear | |
| 8am | 39°F4°C | 2 mph3 km/h North | Mostly Clear | |
| 9am | 43°F6°C | 2 mph4 km/h North | Mostly Clear | |
| 10am | 47°F8°C | 3 mph5 km/h North | Mostly Clear | |
| 11am | 51°F10°C | 4 mph7 km/h North | Mostly Clear | |
| 12pm | 54°F12°C | 6 mph9 km/h Northwest | Mostly Clear | |
| 1pm | 56°F13°C | 7 mph11 km/h Northwest | Partly Cloudy | |
| 2pm | 58°F15°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| June 17 | 39°F4°C | 62°F16°C | 7 mph11 km/h from Northwest | Partly Cloudy | Mostly Clear |
| June 18 | 42°F6°C | 68°F20°C | 10 mph16 km/h from Southwest | Mostly Clear | Clear |
| June 19 | 45°F7°C | 74°F23°C | 11 mph17 km/h from Southwest | Mostly Clear | Mostly Cloudy |
| June 20 | 47°F8°C | 68°F20°C | 11 mph17 km/h from Southwest | Partly Cloudy | Mostly Clear |
| June 21 | 37°F3°C | 56°F13°C | 14 mph23 km/h from Southwest | Mostly Clear | Partly Cloudy |
| June 22 | 31°F-0°C | 50°F10°C | 11 mph18 km/h from Southwest | Partly Cloudy | Mostly Clear |
| June 23 | 31°F-1°C | 58°F14°C | 9 mph15 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
Yes
Low of 42°F6°C, High of 68°F20°CWind: 10 mph16 km/h
Precipitation: None