Forest Park, IL Weather & Climate Normals
What a normal year in Forest Park actually looks like
On the 30-year record NOAA keeps for Forest Park, IL, the comfort score comes out to 48/100, 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 Forest Park's weather actually swings
Average temperatures in Forest Park run from 26°F in Jan up to 76°F in Jul, a 50.3°F seasonal swing, one of the widest gaps in this dataset.
How wet Forest Park actually gets
Forest Park averages 34.42in of precipitation a year across roughly 121 days with measurable rain or snow; the nearest NOAA station does not record snowfall, so no snow figure is shown rather than guessed.
Forest Park against the rest of the country
Out of 4876 cities scored here, Forest Park comes in at 2403; within IL alone it ranks 55 of 330. Population is about 13,846.
Checking the actual forecast
These figures come from CHICAGO MIDWAY AP, IL US, the NOAA station 6.6 miles from Forest Park, averaged over 30 years, not tomorrow's forecast.
More on how this is worked out
Why some cities show no snow or rain figure · Why this uses the nearest NOAA station