- Latitude: 41.786
- Longitude: -87.752
High Temperatures
On April 1 in this location the average high temperature is 54.0 °F (12.2 °C). The lowest recored high temperature was 36.0 °F (2.2 °C) in 1996 and the highest recored high temperature was 82.9 °F (28.3 °C) in 1978. The high temperature is usually* between 46.4 °F (8.0 °C) and 61.5 °F (16.4 °C). About a quarter of the time, the high temperature is less than 46.4 °F (8.0 °C), and another quarter of the time, the high temperature is greater than and 61.5 °F (16.4 °C). About 95% of the time, the high temperature has been between 32.0 °F (0.0 °C) and 75.9 °F (24.4 °C).
Low Temperatures
On April 1 in this location the average low temperature is 36.4 °F (2.4 °C). The lowest recored low temperature was 19.0 °F (-7.2 °C) in 1964 and the lowest recored low temperature was 57.9 °F (14.4 °C) in 2010. The low temperature is usually* between 31.3 °F (-0.4 °C) and 41.4 °F (5.2 °C). About a quarter of the time, the low temperature is less than 31.3 °F (-0.4 °C), and another quarter of the time, the low temperature is greater than and 41.4 °F (5.2 °C). About 95% of the time, the low temperature has been between 21.8 °F (-5.7 °C) and 50.9 °F (10.5 °C).
Frost
On April 1 in this location expect the temperatures to drop below freezing for a risk of frost about 27.9% 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 MIDWAY INTL ARPT — Integrated Surface Dataset (ISD) station ID: 725340 — Weather Bureau Army Navy (WBAN): 14819 — from year 1973 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
- 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
- CHICAGO / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1996
- CALUMET (CGS) — Integrated Surface Dataset (ISD) station ID: 722418 — from year 1988 to 1990
- 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