Yes
you do need a jacket based on the weather in Jackson, WY, USA 1 second ago
Why? Because you're not freezing, but you’ll definitely start complaining if it lasts much longer!
48°F9°C & Clear
Wind is 1 mph2 km/h from the North, gusting to 4 mph6 km/h
| September 17 | ||||
| 1pm | 53°F12°C | 2 mph4 km/h North | Clear | |
| 2pm | 58°F14°C | 2 mph3 km/h Northwest | Clear | |
| 3pm | 61°F16°C | 3 mph5 km/h West | Clear | |
| 4pm | 64°F18°C | 2 mph4 km/h West | Clear | |
| 5pm | 65°F19°C | 2 mph3 km/h North | Clear | |
| 6pm | 66°F19°C | 3 mph5 km/h North | Clear | |
| 7pm | 66°F19°C | 2 mph4 km/h Northeast | Clear | |
| 8pm | 65°F18°C | 3 mph4 km/h Northeast | Clear | |
| 9pm | 62°F17°C | 2 mph4 km/h Northeast | Clear | |
| 10pm | 57°F14°C | 2 mph4 km/h Northeast | Clear | |
| 11pm | 54°F12°C | 2 mph3 km/h North | Clear | |
| September 18 | ||||
| 12am | 51°F11°C | 2 mph3 km/h East | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 35°F2°C | 66°F19°C | 2 mph4 km/h from North | Clear | Clear |
| September 18 | 38°F3°C | 70°F21°C | 3 mph5 km/h from Southwest | Clear | Partly Cloudy |
| September 19 | 41°F5°C | 70°F21°C | 3 mph4 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 20 | 46°F8°C | 69°F20°C | 5 mph7 km/h from West | Partly Cloudy | Mostly Clear |
| September 21 | 46°F8°C | 65°F19°C | 7 mph11 km/h from Southwest | Partly Cloudy | Mostly Clear |
| September 22 | 41°F5°C | 68°F20°C | 6 mph9 km/h from West | Clear | Clear |
| September 23 | 40°F5°C | 72°F22°C | 3 mph4 km/h from Southwest | Clear | Clear |
Yes
Low of 38°F4°C, High of 70°F21°CWind: 3 mph5 km/h
Precipitation: None