- Latitude: 41.8375511
- Longitude: -87.6818441
High Temperatures
On February 9 in Chicago, IL (Illinois), USA the average high temperature is 33.5 °F (0.8 °C). The lowest recored high temperature was 3.9 °F (-15.6 °C) in 1958 and the highest recored high temperature was 63.0 °F (17.2 °C) in 1990. The high temperature is usually* between 25.6 °F (-3.6 °C) and 41.4 °F (5.2 °C). About a quarter of the time, the high temperature is less than 25.6 °F (-3.6 °C), and another quarter of the time, the high temperature is greater than and 41.4 °F (5.2 °C). About 95% of the time, the high temperature has been between 10.6 °F (-11.9 °C) and 56.3 °F (13.5 °C).
Low Temperatures
On February 9 in Chicago, IL (Illinois), USA the average low temperature is 19.4 °F (-7.0 °C). The lowest recored low temperature was -13.0 °F (-25.0 °C) in 1951 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1966. The low temperature is usually* between 10.9 °F (-11.7 °C) and 27.8 °F (-2.3 °C). About a quarter of the time, the low temperature is less than 10.9 °F (-11.7 °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 -5.2 °F (-20.7 °C) and 44.0 °F (6.6 °C).
Frost
On February 9 in Chicago, IL (Illinois), USA expect the temperatures to drop below freezing for a risk of frost about 84.3% 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 O'HARE INTERNATIONAL — Integrated Surface Dataset (ISD) station ID: 725300 — Weather Bureau Army Navy (WBAN): 94846 — from year 1947 to 2025
- 9087044 - CALUMET IL — Integrated Surface Dataset (ISD) station ID: 997255 — from year 2005 to 2025
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2013 to 2025
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2007 to 2025
- CHICAGO MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 to 2025
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 to 2019
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— Weather Bureau Army Navy (WBAN): 04807 — from year 2005 to 2005 -
— Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005 - 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
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1995 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 1990
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1990
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1946 to 1972
- CHICAGO MIDWAY AP — Weather Bureau Army Navy (WBAN): 14819 — from year 1948 to 1972
- CHICAGO OHARE INTL AP — Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972
- CHICAGO MEIGS FIELD — Weather Bureau Army Navy (WBAN): 94866 — from year 1966 to 1970
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958
- DUNNE CRIB IL. — Integrated Surface Dataset (ISD) station ID: 744650 — from year 1944 to 1944