- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On February 9 in this location the average high temperature is 32.8 °F (0.5 °C). The lowest recored high temperature was 5.0 °F (-15.0 °C) in 1958 and the highest recored high temperature was 63.0 °F (17.2 °C) in 1990. The high temperature is usually* between 25.1 °F (-3.9 °C) and 40.6 °F (4.8 °C). About a quarter of the time, the high temperature is less than 25.1 °F (-3.9 °C), and another quarter of the time, the high temperature is greater than and 40.6 °F (4.8 °C). About 95% of the time, the high temperature has been between 10.3 °F (-12.1 °C) and 55.4 °F (13.0 °C).
Low Temperatures
On February 9 in this location the average low temperature is 20.0 °F (-6.7 °C). The lowest recored low temperature was -11.9 °F (-24.4 °C) in 1951 and the lowest recored low temperature was 48.9 °F (9.4 °C) in 1966. The low temperature is usually* between 11.8 °F (-11.2 °C) and 28.3 °F (-2.1 °C). About a quarter of the time, the low temperature is less than 11.8 °F (-11.2 °C), and another quarter of the time, the low temperature is greater than and 28.3 °F (-2.1 °C). About 95% of the time, the low temperature has been between -3.9 °F (-19.9 °C) and 43.9 °F (6.6 °C).
Frost
On February 9 in this location expect the temperatures to drop below freezing for a risk of frost about 83.7% 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 1990
- 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