Based on the weather in Gainesville, Florida, United States Of America as of October 22, 2016 7:38am local time

Why? Because it's not very warm out.
Current Conditions
Temp: 50.9°F10.5°C
Wind: 5.4 MPH8.7 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes