Weather-Condition

Drone tends to react on the weather conditions a lot. 
More then 40 degrees teperature is very high for the drone experiment. It tends to loose GPS and the autonomous flight tends to result in the failure.
It could cause the Hazardous situation.
The cool weather is more preferable for this project. 
The wind can affect the direciton of the drone as well as the STEP_SIZE of the drone. 
You can get the all the weather conditions from the METAR Report.
Here is the availibility of the METAR report.
https://aviationweather.gov/metar?gis=off