Potential Still for High Impact Storm for the Cape and Islands Sunday and Sunday Night Latest trends in model guidance (initiated with 7 AM data) have been to shift the track of the coastal storm to form off the Carolina coast further offshore from southern New England. It still may track close enough, however, for… Read More »
The year 2025 was warmer than average, but it was the coolest year since 2019. The approximated 24-hour mean temperature of 49.9F was 2.1F warmer than the 130-year (1891-2020) long-term mean and 0.4F above the 30-year (1991-2020) average. Ten months during the year were warmer than the long-term mean and two, January and December, were… Read More »
Blue Hill Observatory December 2025 Summary: December 2025 was colder and drier than normal with less snowfall and much more sunshine than average. The approximated 24-hour mean temperature for the month of 28.9 deg F was 1.2 degrees colder than the 1891-2020 130-year average for December, and it was 3.9 degrees colder than the 1991-2020… Read More »
Blue Hill Observatory Fall (Sep-Nov) 2025 Summary: Fall 2025 temperature was above average, precipitation was near average, and there was more sunshine than expected. The approximated 24-hour mean temperature for fall of 53.0 deg F was 1.9 degrees warmer than the 1891-2020 130-year average for the season, and it was 0.5 degrees warmer than the… Read More »
How We Serve the Community
Learn more about the Observatory's observations through graphics, text summaries and data.
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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.
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1 Observatory Service Road, Milton, MA 02186
