Yes

you do need a jacket based on the weather in Ashton, ID 83420, USA 1 second ago

Why? Because Jack Frost is nipping at your nose!
17°F-9°C & Clear

Wind is 4 mph7 km/h from the East, gusting to 8 mph13 km/h
November 25
7am16°F-9°C5 mph8 km/h EastClear
8am15°F-9°C5 mph8 km/h EastClear
9am15°F-10°C5 mph8 km/h EastClear
10am15°F-9°C5 mph8 km/h EastClear
11am19°F-7°C5 mph8 km/h EastClear
12pm25°F-4°C4 mph7 km/h EastMostly Clear
1pm29°F-2°C3 mph4 km/h SoutheastPartly Cloudy
2pm32°F-0°C1 mph2 km/h SouthPartly Cloudy
3pm34°F1°C2 mph3 km/h SouthwestMostly Cloudy
4pm35°F2°C2 mph4 km/h SouthwestMostly Cloudy
5pm35°F2°C3 mph4 km/h NortheastMostly Cloudy
6pm33°F0°C2 mph4 km/h NorthMostly Cloudy
DateLowHighWindDayNight
November 2515°F-10°C35°F2°C3 mph5 km/h from EastPartly CloudyMostly Cloudy
November 2617°F-9°C32°F0°C3 mph5 km/h from SouthwestCloudyMostly Cloudy
November 2718°F-8°C30°F-1°C4 mph6 km/h from SouthwestCloudyCloudy
November 2817°F-9°C30°F-1°C4 mph6 km/h from SouthwestCloudyCloudy
November 2913°F-11°C30°F-1°C3 mph6 km/h from SouthwestPartly CloudyPartly Cloudy
November 3010°F-12°C31°F-0°C3 mph4 km/h from EastMostly CloudyPartly Cloudy
December 110°F-12°C30°F-1°C2 mph4 km/h from NortheastMostly ClearPartly Cloudy

Yes

Low of 17°F-9°C, High of 32°F0°C
Wind: 3 mph5 km/h
Precipitation: 28% snow

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