POWERFUL HURRICANE ERIN WILL BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE U.S. EAST COAST THIS WEEK Erin Update as of Monday Morning August 18 Major Hurricane Erin remains in an environment of weak wind shear and warm sea surface temperatures and has begun to increase in size. As Erin gains latitude later this… Read More »
Job Announcement: Released August 15, 2025 Role: Executive Director Location: Blue Hill Observatory, 1 Observatory Service Road, Milton, MA 02186 Employment Type: Full-Time Deadline: Open Until Position is Filled Click Here to Read the Full Job Announcement and to Apply The Blue Hill Observatory, a National Historic Landmark and renown weather observation station, is seeking… Read More »
ERIN HAS STRENGTHENED INTO A MAJOR HURRICANE AND WILL BRING HIGH SURF AND DANGEROUS RIP CURRENTS TO THE U.S. EAST COAST Erin Update as of Saturday Morning August 16 Having moved into a more favorable environment with warm sea surface temperatures and relatively light vertical wind shear, Erin has rapidly strengthened into a major category… Read More »
ERIN FORECAST TO BECOME A MAJOR HURRICANE Erin Update Warmer sea surface temperatures and light to moderate vertical wind shear provide an environment conducive for Erin to strengthen. Although some increase in vertical wind shear is forecast this weekend due to a strengthening dome of high pressure over the southern United States, various intensity models… Read More »
NOW IS A GOOD TIME TO REVIEW HURRICANE PREPAREDNESS Hurricane Preparedness Tropical Storm Erin far out in the eastern tropical Atlantic as of Tuesday August 12 is a reminder that we are approaching the peak period of the hurricane season. For those vulnerable to hurricanes, now is a good time to check and update their… Read More »
Blue Hill Observatory July 2025 Summary: July 2025 was much warmer and wetter than average with above average sunshine. The approximated 24-hour mean temperature for the month of 73.9 deg F was 3.9 degrees warmer than the 1891-2020 130-year average for July, and it was 2.2 degrees warmer than the 1991-2020 30-year average. The month… Read More »
Join us at the Blue Hill Observatory to connect with fellow changemakers and educators to address some of the most challenging issues facing STEM and environmental education right now. A local organization will pose a problem and participants will break out into teams to try and come up with the most creative, game-changing solutions, from… Read More »
Septic System Work on the Summit of Great Blue Hill Work began in July on the septic system and related improvements on the summit of Great Blue Hill. DCR anticipates the bulk of the work will be completed this fall. DCR is upgrading the existing Observatory and WGBH septic system to meet Title V regulations.… Read More »
Blue Hill Observatory June 2025 Summary: June temperature was well above average with much below normal rainfall and average sunshine. The approximated 24-hour mean temperature for the month of 68.1 deg F was 3.8 degrees warmer than the 1891-2020 130-year average for June, and it was 2.4 degrees warmer than the 1991-2020 30-year average. The… Read More »
After reaching a high temperature of 91F on June 22nd and 94F on June 23rd, 2025, the heatwave reached its third day on Tuesday, June 24th when the temperature soared to a high of 99F at the Observatory on the summit of Great Blue Hill. This reading not only surpassed the record for the date… Read More »
How We Serve the Community
Learn more about the Observatory's observations through graphics, text summaries and data.
BHO sponsors conferences, events and special activities to engage the community about science.
BHO provides many science programs for educators, students and the general public.
Visit the Observatory on Great Blue Hill to learn about climate and weather or tour our historic facility.
Members receive receive free tours, gift shop discounts, program admission, and help support our important mission.
1 Observatory Service Road, Milton, MA 02186
