- Latitude: 42.067
- Longitude: -87.683
High Temperatures
On March 31 in this location the average high temperature is 52.7 °F (11.5 °C). The lowest recored high temperature was 30.9 °F (-0.6 °C) in 1969 and the highest recored high temperature was 86.0 °F (30.0 °C) in 1986. The high temperature is usually* between 45.0 °F (7.2 °C) and 60.5 °F (15.8 °C). About a quarter of the time, the high temperature is less than 45.0 °F (7.2 °C), and another quarter of the time, the high temperature is greater than and 60.5 °F (15.8 °C). About 95% of the time, the high temperature has been between 30.2 °F (-1.0 °C) and 75.3 °F (24.1 °C).
Low Temperatures
On March 31 in this location the average low temperature is 35.1 °F (1.7 °C). The lowest recored low temperature was 12.0 °F (-11.1 °C) in 1969 and the lowest recored low temperature was 62.1 °F (16.7 °C) in 1967. The low temperature is usually* between 29.7 °F (-1.3 °C) and 40.6 °F (4.8 °C). About a quarter of the time, the low temperature is less than 29.7 °F (-1.3 °C), and another quarter of the time, the low temperature is greater than and 40.6 °F (4.8 °C). About 95% of the time, the low temperature has been between 19.2 °F (-7.1 °C) and 51.0 °F (10.6 °C).
Frost
On March 31 in this location expect the temperatures to drop below freezing for a risk of frost about 34.9% 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
- CHICAGO — Integrated Surface Dataset (ISD) station ID: 997338 — from year 2005 to 2025
- PALWAUKEE MUNICIPAL ARPT — Integrated Surface Dataset (ISD) station ID: 744665 — Weather Bureau Army Navy (WBAN): 04838 — from year 2006 to 2025
- WAUKEGAN HARBOR — Integrated Surface Dataset (ISD) station ID: 997735 — 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
- PALWAUKEE MUNI — Integrated Surface Dataset (ISD) station ID: 744665 — from year 1996 to 2005
- ANN ARBOR MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 725374 — from year 1999 to 2005
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2003
- CHIGAGO-WAUKEE ARPT — Integrated Surface Dataset (ISD) station ID: 725339 — from year 2002 to 2002
- 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 1994
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1994
- 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 1945 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