- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On January 15 in this location the average high temperature is 31.2 °F (-0.4 °C). The lowest recored high temperature was -4.0 °F (-20.0 °C) in 1972 and the highest recored high temperature was 59.0 °F (15.0 °C) in 1949. The high temperature is usually* between 23.6 °F (-4.7 °C) and 38.8 °F (3.8 °C). About a quarter of the time, the high temperature is less than 23.6 °F (-4.7 °C), and another quarter of the time, the high temperature is greater than and 38.8 °F (3.8 °C). About 95% of the time, the high temperature has been between 9.1 °F (-12.7 °C) and 53.3 °F (11.9 °C).
Low Temperatures
On January 15 in this location the average low temperature is 18.8 °F (-7.4 °C). The lowest recored low temperature was -16.1 °F (-26.7 °C) in 1994 and the lowest recored low temperature was 46.0 °F (7.8 °C) in 1953. The low temperature is usually* between 10.1 °F (-12.2 °C) and 27.4 °F (-2.5 °C). About a quarter of the time, the low temperature is less than 10.1 °F (-12.2 °C), and another quarter of the time, the low temperature is greater than and 27.4 °F (-2.5 °C). About 95% of the time, the low temperature has been between -6.5 °F (-21.4 °C) and 44.0 °F (6.7 °C).
Frost
On January 15 in this location expect the temperatures to drop below freezing for a risk of frost about 84.8% 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:
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2007 to 2025
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025
- 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