- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 1 in this location the average high temperature is 32.2 °F (0.1 °C). The lowest recored high temperature was 1.0 °F (-17.2 °C) in 1971 and the highest recored high temperature was 66.0 °F (18.9 °C) in 1989. The high temperature is usually* between 24.5 °F (-4.2 °C) and 39.9 °F (4.4 °C). About a quarter of the time, the high temperature is less than 24.5 °F (-4.2 °C), and another quarter of the time, the high temperature is greater than and 39.9 °F (4.4 °C). About 95% of the time, the high temperature has been between 9.8 °F (-12.4 °C) and 54.6 °F (12.5 °C).
Low Temperatures
On February 1 in this location the average low temperature is 19.1 °F (-7.2 °C). The lowest recored low temperature was -17.0 °F (-27.2 °C) in 2019 and the lowest recored low temperature was 48.0 °F (8.9 °C) in 1968. The low temperature is usually* between 10.4 °F (-12.0 °C) and 27.8 °F (-2.3 °C). About a quarter of the time, the low temperature is less than 10.4 °F (-12.0 °C), and another quarter of the time, the low temperature is greater than and 27.8 °F (-2.3 °C). About 95% of the time, the low temperature has been between -6.2 °F (-21.2 °C) and 44.4 °F (6.9 °C).
Frost
On February 1 in this location expect the temperatures to drop below freezing for a risk of frost about 84.2% 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
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1977 to 1996
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 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