Fall 2025 Summary – Warmer and Sunnier Than Average

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 »

November 2025 Summary – Cooler and Drier Than Average

Blue Hill Observatory November 2025 Summary:  November 2025 was cooler than normal with less precipitation and more sunshine than average. The approximated 24-hour mean temperature for the month of 41.2 deg F was 0.5 degrees warmer than the 1891-2020 130-year average for November, and it was 0.9 degrees cooler than the 1991-2020 30-year average. The… Read More »

Significant Weather Blog: Wednesday, December 3, 2025 9 AM

Storm Wrap Up Looks like generally 4 to 7 inches of snow fell across north central Massachusetts and western Massachusetts yesterday (December 2).  The amounts tapered down to generally 1 to 3 inches along the I-495 corridor (north of the Mass Pike) and along the Mass Pike (I-90) corridor west of I-495.  Little or no… Read More »

Significant Weather Blog: Tuesday, December 2, 2025 9 AM

Storm Today and Tonight: Heavy Snow Expected Across Higher Elevations of Interior Southern New England The forecast remains much the same.  A surface low pressure center with plentiful moisture will pass about 50 or 60 miles southeast of Nantucket tonight.  Due to warm sea surface temperatures (in the upper 40s) and the lack of blocking… Read More »

Significant Weather Blog: Monday, December 1, 2025 4 PM

Winter Storm for Much of Interior Southern New England Tuesday and Tuesday Night First measurable snowfall looks likely for much of interior southern New England Tuesday and Tuesday night.  It still looks like mostly rain along coastal areas and heavy snow over the interior higher terrain.  The majority of the overnight model runs were colder,… Read More »

Significant Weather Blog: Sunday, November 30, 2025 6 PM

Potential Winter Storm for Portions of Interior Southern New England Tuesday Afternoon and Night First measurable snowfall looks likely for much of interior southern New England Tuesday afternoon and night.  Since there remains uncertainty in the exact storm track and low level thermal profiles, at least some changes in the forecast are likely in the… Read More »

Significant Weather Blog: Friday, November 28, 2025 6 PM

Potential Winter Storm for Portions of Interior Southern New England Tuesday Afternoon and Night Ingredients appear to be coming together for a potential winter storm across portions of southern New England for Tuesday afternoon and night.  First, will take a look at travel weather for Sunday and then will take a closer look at Tuesday/Tuesday… Read More »

Significant Weather Outlook: Monday, November 24, 2025 10 AM

No Major Storms Expected Thanksgiving Week in Southern New England No weather threat significant enough in southern New England to warrant a blog message is expected for this Thanksgiving week.  Rain is likely, however, late Tuesday into early Wednesday with some scattered showers during the day Wednesday.  The rain may cause some minor travel impacts… Read More »

Significant Weather Outlook: Monday, November 17, 2025 9 AM

WEEKLY SIGNIFICANT WEATHER OUTLOOK Do not at this time foresee weather significant enough to warrant a blog issuance this week.    Will continue to monitor.  Unless there is a significant weather development later this week, will issue an updated outlook next Monday November 24 for the week that will include the Thanksgiving holiday. —————————————————————————————————————- About this… Read More »

Significant Weather Outlook: Tuesday, November 11, 2025 3 PM

WEEKLY SIGNIFICANT WEATHER OUTLOOK Back from our African trip (great experience!) and now back to monitoring the potential for any significant (i.e., potential warning level) weather for southern New England.  After reviewing global model output this Tuesday morning (November 11), do not at this time foresee weather significant enough to warrant a blog issuance this… Read More »