Yes
you do need a jacket based on the weather in Idaho, USA 1 second ago
Why? Because it's quite chilly!
35°F2°C & Cloudy
Wind is 1 mph1 km/h from the Southwest, gusting to 2 mph4 km/h
| September 15 | ||||
| 11am | 39°F4°C | 1 mph1 km/h Southeast | Mostly Clear | |
| 12pm | 42°F5°C | 4 mph6 km/h Northwest | Partly Cloudy | |
| 1pm | 44°F7°C | 5 mph8 km/h Northwest | Mostly Cloudy | |
| 2pm | 48°F9°C | 5 mph8 km/h Northwest | Partly Cloudy | |
| 3pm | 50°F10°C | 6 mph10 km/h Northwest | Partly Cloudy | |
| 4pm | 52°F11°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 5pm | 53°F12°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 6pm | 54°F12°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 7pm | 54°F12°C | 6 mph10 km/h Northwest | Mostly Cloudy | |
| 8pm | 53°F11°C | 7 mph11 km/h North | Mostly Cloudy | |
| 9pm | 51°F10°C | 7 mph12 km/h North | Mostly Cloudy | |
| 10pm | 47°F8°C | 6 mph9 km/h Northeast | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 34°F1°C | 54°F12°C | 5 mph8 km/h from Northwest | Partly Cloudy | Mostly Clear |
| September 16 | 36°F2°C | 61°F16°C | 4 mph7 km/h from Northeast | Clear | Clear |
| September 17 | 40°F4°C | 65°F18°C | 3 mph5 km/h from North | Clear | Clear |
| September 18 | 42°F6°C | 68°F20°C | 3 mph4 km/h from West | Clear | Partly Cloudy |
| September 19 | 44°F6°C | 67°F19°C | 4 mph7 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| September 20 | 46°F8°C | 62°F17°C | 6 mph10 km/h from West | Mostly Cloudy | Partly Cloudy |
| September 21 | 43°F6°C | 57°F14°C | 8 mph13 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 37°F3°C, High of 61°F16°CWind: 4 mph7 km/h
Precipitation: None