Angeles Crest Highway (CA2) from La Canada to Red Box Intersection — All Clear.
Red Box Road (from Angeles Crest Highway to Mount Wilson Observatory) — All Clear.
The Observatory is open every day of the regular season (March 31 to December 2) from 10:00 a.m. to 5:00 p.m., EXCEPT when snow, ice, or other hazards force a temporary closure. On the weekends, the gates open at 8:30 pm. Closures will be posted at the top of the home page.
The following sites provide weather forecast and condition information and the status of county and state roads that provide access to Mount Wilson Observatory: