Boston, Massachusetts, United States
Seasonal Outlook for Boston, Massachusetts, United States
Boston, Massachusetts, United States is currently in summer — the September equinox is in 33 days (September 23).
Today vs. 20-year normal
80°F normal high
3°F above normal
Moon phase
First Quarter
49% illuminated
Average last spring frost
April 11
Average first fall frost
November 5
Growing degree days (year to date, base 50°F)
2225
Frost dates and normals are averaged from 20 years of historical daily temperatures for this location — a general guide, not a guarantee for any single year.
When is the last frost in Boston, Massachusetts, United States?
The average last spring frost in Boston, Massachusetts, United States is around April 11, based on 20 years of history.