Our climate and weather records are a unique resource for science research and education. Here you will find official BHO climate information…
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The Blue Hill Observatory offers a variety of STEM-focused educational programs including field trips, classroom visits, seasonal programs, and community programs. To…
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Throughout the year, we sponsor many special events and virtual webinars related to our mission of interest to weather professionals, educators, students…
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Plan Your Visit The Blue Hill Observatory welcomes thousands of visitors each year — come for the science, stay for the sweeping…
Learn more →"The most homogeneous climate record in North America." — World Meteorological Organization
Here’s what happened, and how you can help us protect this landmark going forward.
Monthly Climate Summary · April 2026 Warm and Dry on the Hill.Spring Arrived Quietly. April 2026 brought slightly above-normal temperatures and well…
Grassroots Campaign · 2026 Save the Record. 141 Years Cannot Be Replaced. Blue Hill Observatory & Science Center is launching a grassroots…
Take Action · 2026 Help Protect the Observatory. Your Voice Matters. Our community has already delivered two remarkable victories in the Massachusetts…
As federal science funding erodes, Blue Hill Observatory stands at a crossroads. We hold North America's longest continuous weather record — data that NOAA, NASA, and leading universities rely on. That record doesn't maintain itself.
Monthly Skymail, event announcements, and research summaries.
