Based on the weather in Custer, Washington, United States Of America as of October 21, 2016 1:09pm local time

Why? Because it's not very warm out.
Current Conditions
Mostly Cloudy
Temp: 55.4°F13°C
Wind: 3.4 MPH5.5 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes