Watertown, MA Weather & Climate Normals
What a normal year in Watertown actually looks like
On the 30-year record NOAA keeps for Watertown, MA, the comfort score comes out to 50/100, strongly seasonal: Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. Only 5 months a year land in the 55–75°F range this site treats as mild.
How much Watertown's weather actually swings
Average temperatures in Watertown run from 28°F in Jan up to 74°F in Jul, a 46.2°F seasonal swing, one of the widest gaps in this dataset.
How wet Watertown actually gets
Watertown averages 49.36in of precipitation a year across roughly 0 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Watertown against the rest of the country
Out of 4876 cities scored here, Watertown comes in at 1685; within MA alone it ranks 9 of 58. Population is about 35,985.
Checking the actual forecast
These figures come from JAMAICA PLAIN, MA US, the NOAA station 5.3 miles from Watertown, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is