cloudcover
nounUK /ˈklaʊdˌkʌvə/
US /ˈklaʊdˌkʌvər/
Cloudcover is how much of the sky is covered by clouds.
The weather report said there would be heavy cloudcover all afternoon.
OTHER MEANINGS
2. The fraction of the sky hidden by clouds, measured in eighths or tenths for weather records.
Pilots checked the cloudcover before taking off.
3. A layer of clouds seen from above or below that blocks sunlight.
Thick cloudcover kept the beach cool all day.
4. In satellite images, the total area of clouds over a region.
Scientists tracked the cloudcover over the ocean.