This is the 7323rd most frequent Dutch word.
bewolking
Cloud cover.
This usage of 'bewolking' describes the general atmospheric condition in the sky that consists of clouds.
De bewolking voorspelt regen vandaag.
The cloudiness predicts rain today.
'Bewolking' here refers to the collective presence of clouds that obstruct the sunlight.
Door de bewolking was de zon niet zichtbaar.
Due to the clouds, the sun was not visible.
In this sentence, 'bewolking' indicates the temporary state of having an overcast sky.