Based on the weather in Meadville, Pennsylvania, United States Of America as of May 3, 2016 4:08pm local time

Why? Because it's not very warm out.
Current Conditions
Mostly Cloudy
Temp: 53.6°F12°C
Wind: 5.2 MPH8.4 KPH
Precipitation: None

Next 2 hours: Yes

Next 4 hours: Yes

Next 8 hours: Yes