Explore 140+ years of continuous weather and climate science—through hands-on tours, real-time data, and one of New England’s most iconic summits.
The Blue Hill Observatory is open to the public on weekends, federal holidays, and Patriot’s Day throughout the year. Tours by appointment are available any day of the week, year-round.
Public Tour Hours
Late Winter & Spring (February – May 24)10:00 AM – 4:00 PM
Summer & Early Fall (May 25 – October 12)10:00 AM – 5:00 PM
Late Fall & Winter (October 13 – December 31)10:00 AM – 4:00 PM
Open on Weekends, Federal Holidays, and Patriot’s Day. Tours by appointment are available any day of the year — contact us to schedule.
Blue Hill Observatory is now open to members every day during our operating season — a new benefit of membership. On weekends and holidays, the Observatory is also open to the general public.
🏅 Member Hours — Daily
Operating Season (October 13 – May 24)7:00 AM – 4:00 PM
Weekends & Holidays (May 25 – October 12)7:00 AM – 5:00 PM
Purchase at the Observatory on arrival. In-Depth Tour spots are limited on busy weekends — call ahead: 617-696-0562.
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Groups
Groups of 10+ should contact us in advance. Special pricing available for school groups and non-profits.
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Partner Discounts
5% gift shop discount & tour discounts for members of Mass Audubon, Friends of Blue Hills, WGBH, WERS, KONE, and AKA.
Become a Member
Members enjoy free self-guided tours, discounted in-depth tours, gift shop discounts, program admission, and priority access to special events. Memberships start at $50/year and directly support our mission of maintaining North America’s longest continuous weather record.
Monthly Skymail, event announcements, and research summaries.
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