The Observatory is Open from 10:00 a.m. to 5:00 p.m. everyday.

(Updated daily, as needed, by the Observatory Maintenance Staff)


For current weather conditions on Mt. Wilson and forecasts go to Weather Underground.

Roads to the Observatory:

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.

Observatory Status:

The Observatory is OPEN, as it is every day of the year from 10:00 a.m. to 5:00 p.m., EXCEPT when snow, ice, or other hazards force a temporary closure.

Cosmic Cafe:

The Cafe is open every Saturday and Sunday from 10:00 a.m. to 5:00 p.m. Check the Cosmic Cafe Facebook page here.

Additional Current Weather and Road-related Information:

The following sites provide weather forecast and condition information and the status of county and state roads that provide access to Mount Wilson Observatory: