- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On January 1 in this location the average high temperature is 33.4 °F (0.8 °C). The lowest recored high temperature was 5.0 °F (-15.0 °C) in 1969 and the highest recored high temperature was 54.7 °F (12.6 °C) in 2011. The high temperature is usually* between 26.9 °F (-2.8 °C) and 39.8 °F (4.3 °C). About a quarter of the time, the high temperature is less than 26.9 °F (-2.8 °C), and another quarter of the time, the high temperature is greater than and 39.8 °F (4.3 °C). About 95% of the time, the high temperature has been between 14.7 °F (-9.6 °C) and 52.0 °F (11.1 °C).
Low Temperatures
On January 1 in this location the average low temperature is 21.7 °F (-5.7 °C). The lowest recored low temperature was -11.0 °F (-23.9 °C) in 1968 and the lowest recored low temperature was 43.0 °F (6.1 °C) in 1950. The low temperature is usually* between 14.0 °F (-10.0 °C) and 29.5 °F (-1.4 °C). About a quarter of the time, the low temperature is less than 14.0 °F (-10.0 °C), and another quarter of the time, the low temperature is greater than and 29.5 °F (-1.4 °C). About 95% of the time, the low temperature has been between -0.8 °F (-18.2 °C) and 44.3 °F (6.8 °C).
Frost
On January 1 in this location expect the temperatures to drop below freezing for a risk of frost about 81.4% of the time.
Data Source(s)
The data used to compute the average high/low temperatures for this location were taken from the following stations:
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2006 to 2023
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 to 2019
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2003
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1995
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1977 to 1995
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1988 to 1991
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1946 to 1972
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1970
- DUNNE CRIB IL. — Integrated Surface Dataset (ISD) station ID: 744650 — from year 1944 to 1944