Bolingbrook, IL Weather & Climate Normals
What a normal year in Bolingbrook actually looks like
On the 30-year record NOAA keeps for Bolingbrook, IL, the comfort score comes out to 44/100, 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 Bolingbrook's weather actually swings
Average temperatures in Bolingbrook run from 24°F in Jan up to 75°F in Jul, a 50.7°F seasonal swing, one of the widest gaps in this dataset.
How wet Bolingbrook actually gets
Over a typical year, Bolingbrook sees about 41.14in of precipitation a year across roughly 127 days with measurable rain or snow, with 33.2in of snow a year.
Bolingbrook against the rest of the country
Out of 4876 cities scored here, Bolingbrook comes in at 3674; within IL alone it ranks 163 of 330. Population is about 74,756.
Checking the actual forecast
These figures come from ROMEOVILLE WFO, IL US, the NOAA station 5.9 miles from Bolingbrook, 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