BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA TUESDAY, JANUARY 20, 2026 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0708E SUNSET: 1643E ANOTHER ARCTIC AIR MASS MOVES INTO THE REGION; SUNNY, BUT VERY COLD…. An arctic air mass moved in overnight following the passage of yesterday’s… Read More »
Weather & Trail Explorer Program Over four days, students explore nature in the Blue Hills while learning about weather and climate and their longstanding impact on the environment. Students start their day on a hike, make observations about the natural world, collect daily weather data, create weather instruments and use their creativity to draw and… Read More »
Weekly Significant Weather Outlook for Southern New England For the week ahead, looks like very cold temperatures Tuesday and Tuesday night followed by moderating temperatures Wednesday through Thursday. Colder, possibly much colder temperatures appear to be in store for Friday into the weekend as a piece of the polar vortex may break off and move… Read More »
BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA MONDAY, JANUARY 19, 2026 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0709E SUNSET: 1642E BIGGEST WINTER STORM OF THE SEASON SO FAR COMES TO AN END… The storm system responsible for bringing the biggest snowfall of the season… Read More »
BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SUNDAY, JANUARY 18, 2026 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0709E SUNSET: 1641E APPROACHING WINTER STORM BRINGS SOME LIGHT SNOW THROUGH EARLY THIS AFTERNOON…. Yesterday’s system did finally bring some light rain and snow to the Hill… Read More »
Snow Today and Tonight No major change in the forecast reasoning. The trend has been to expand precipitation amounts some further west as a surface low pressure embedded in the southern stream interacts some with upper-level energy approaching the area in the northern stream. Projected snowfall amounts are modified just a little from yesterday. The… 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 »
Weekend Weather Update This is an update on this weekend’s winter weather. The Sunday afternoon/night snowfall has become a little clearer, although uncertainty remains in how far west plowable snow may fall as well as the accumulation over the outer Cape and Nantucket. This Afternoon A tightening mid-level thermal gradient and associated strengthening of… Read More »
BLUE HILL METEOROLOGICAL OBSERVATORY MILTON, MASSACHUSETTS ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA SATURDAY, JANUARY 17, 2026 ALL TIMES ARE IN EASTERN STANDARD TIME (EST) SUNRISE: 0710E SUNSET: 1639E OVERCAST SKIES, SEASONABLE TEMPS AS SNOW MOVES NEAR…. A brilliant sunrise was witnessed today, with beautiful reds and oranges and peaks of blue sky… Read More »
Weekly Significant Weather Outlook – This Weekend Update A couple of winter weather systems will affect southern New England this holiday weekend. The first one will produce generally light snow across much of interior southern New England on Saturday. The second one is a coastal system with greater uncertainty than usual for a potential event… Read More »
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Learn more about the Observatory's observations through graphics, text summaries and data.
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1 Observatory Service Road, Milton, MA 02186
