Basile Morin / CC BY-SA 4.0
Naperville, IL Weather on October 16
October 16th in Naperville, IL typically brings mild fall weather, with average highs around 63°F and lows near 41°F. Over 55 years of records, the warmest October 16th was in 1998 (69°F average), while the coldest was 2009 (38°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 47% of October 16th dates historically, with the wettest October 16th recording 0.52" of rain. The last decade has been 4.4°F cooler on this date compared to 20-30 years ago.
What to Expect on October 16
Planning for October 16th in Naperville, IL? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
October 16 Weather Records for Naperville
- •The all-time record high for October 16th in Naperville, IL is 83°F, set in 1989.
- •The coldest October 16th on record dropped to 26°F in 1991.
- •A freeze (32°F or below) has occurred on October 16th in 10 of the last 55 years.
- •Last year (1971), October 16th was 17°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 16 ever in Naperville?
The warmest October 16 in Naperville, IL reached 83°F in 1989. That is 20°F above the long-term average high of 63°F.
What was the coldest October 16 ever in Naperville?
The coldest October 16 in Naperville, IL dropped to 26°F in 1991. That is 15°F below the long-term average low of 41°F.
What is the average temperature on October 16 in Naperville?
On October 16, Naperville averages a high of 63°F and a low of 41°F based on 55 years of NOAA weather observations from WHEATON 3 SE.
How many years of weather data are available for October 16 in Naperville?
We have 55 years of weather records for October 16 in Naperville, IL, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 16 Weather History in Naperville
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 61°F | 55°F | 0" | -- |
| 2024 | 50°F | 31°F | 0.05" | -- |
| 2023 | 57°F | 43°F | 0" | -- |
| 2022 | 52°F | 31°F | 0" | -- |
| 2021 | 61°F | 41°F | 0.03" | -- |
| 2020 | 57°F | 32°F | 0" | -- |
| 2019 | 64°F | 45°F | 0.04" | -- |
| 2018 | 48°F | 31°F | 0" | -- |
| 2017 | 60°F | 38°F | 0.01" | -- |
| 2016 | 69°F | 54°F | 0" | -- |
| 2015 | 70°F | 37°F | 0" | -- |
| 2014 | 55°F | 50°F | 0.1" | -- |
| 2013 | 64°F | 44°F | 0.13" | -- |
| 2012 | 60°F | 36°F | 0" | -- |
| 2011 | 62°F | 44°F | 0.03" | -- |
| 2010 | 64°F | 34°F | 0" | -- |
| 2009 | 42°F | 33°F | 0.08" | -- |
| 2008 | 62°F | 38°F | 0.47" | -- |
| 2007 | 75°F | 50°F | 0.35" | -- |
| 2006 | 57°F | 48°F | 0" | -- |
| 2005 | 69°F | 35°F | 0" | -- |
| 2004 | 54°F | 39°F | 0.06" | -- |
| 2003 | 55°F | 38°F | 0" | -- |
| 2002 | 57°F | 32°F | 0" | -- |
| 2001 | 54°F | 42°F | 0.03" | -- |
| 2000 | 63°F | 40°F | 0.03" | -- |
| 1999 | 80°F | 45°F | 0.17" | -- |
| 1998 | 82°F | 56°F | 0" | -- |
| 1997 | 56°F | 38°F | 0" | -- |
| 1996 | 80°F | 51°F | 0.18" | -- |
| 1995 | 62°F | 31°F | 0" | -- |
| 1994 | 72°F | 56°F | 0" | -- |
| 1993 | 70°F | 59°F | 0.29" | -- |
| 1992 | 51°F | 42°F | 0.04" | -- |
| 1991 | 63°F | 26°F | 0" | -- |
| 1990 | 68°F | 42°F | 0.51" | -- |
| 1989 | 83°F | 50°F | 0" | -- |
| 1988 | 77°F | 55°F | 0.24" | -- |
| 1987 | 75°F | 52°F | 0" | -- |
| 1986 | 62°F | 34°F | 0" | -- |
| 1985 | 66°F | 35°F | 0" | -- |
| 1984 | -- | 45°F | 0.07" | -- |
| 1983 | 70°F | 54°F | 0" | -- |
| 1982 | 55°F | 34°F | 0.03" | -- |
| 1981 | 64°F | 38°F | 0.05" | -- |
| 1980 | 74°F | 48°F | 0.52" | -- |
| 1979 | 62°F | 50°F | 0" | -- |
| 1978 | 53°F | 33°F | 0.08" | -- |
| 1977 | 52°F | 30°F | 0.05" | -- |
| 1976 | 55°F | 32°F | 0" | -- |
| 1975 | 60°F | 31°F | 0" | -- |
| 1974 | 65°F | 34°F | 0" | -- |
| 1973 | 65°F | 37°F | 0" | -- |
| 1972 | 67°F | 40°F | 0.1" | -- |
| 1971 | 80°F | 46°F | 0" | -- |
Based on 55 years of data from NOAA station: WHEATON 3 SE
Monthly Climate Averages
Historical temperature and precipitation averages for Naperville, IL, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.