How dark is the sky in Washington, UT?
Washington's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. That's brighter than 14.5% 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.
The nearest darker sky to Washington
7 miles from Washington, straight-line, sits Hurricane, UT, the nearest city here with a darker sky than Washington's own suburban edge band.
Hurricane, UT is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Washington against the rest of the dataset
Washington, UT counts roughly 35,501 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Washington ranks 464 from darkest to brightest, 1 being the darkest measured.