How dark is the sky in Cleveland, OH?
Satellite radiance puts Cleveland in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 90.5% of the 3,206 US cities in this dataset.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute.
How far Cleveland is from a meaningfully darker sky
Brooklyn, OH, about 5 miles away as the crow flies, measures in the suburban band, one step darker than Cleveland. Actual driving distance will run longer than that straight-line figure.
Brooklyn, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Cleveland against the rest of the dataset
Cleveland, OH counts roughly 365,379 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Cleveland ranks 2,884 from darkest to brightest, 1 being the darkest measured.