- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On April 30 in this location the average high temperature is 64.2 °F (17.9 °C). The lowest recored high temperature was 43.9 °F (6.6 °C) in 2017 and the highest recored high temperature was 88.0 °F (31.1 °C) in 1962. The high temperature is usually* between 57.1 °F (14.0 °C) and 71.3 °F (21.8 °C). About a quarter of the time, the high temperature is less than 57.1 °F (14.0 °C), and another quarter of the time, the high temperature is greater than and 71.3 °F (21.8 °C). About 95% of the time, the high temperature has been between 43.7 °F (6.5 °C) and 84.7 °F (29.3 °C).
Low Temperatures
On April 30 in this location the average low temperature is 46.5 °F (8.1 °C). The lowest recored low temperature was 32.0 °F (0.0 °C) in 2008 and the lowest recored low temperature was 66.9 °F (19.4 °C) in 1970. The low temperature is usually* between 41.8 °F (5.4 °C) and 51.3 °F (10.7 °C). About a quarter of the time, the low temperature is less than 41.8 °F (5.4 °C), and another quarter of the time, the low temperature is greater than and 51.3 °F (10.7 °C). About 95% of the time, the low temperature has been between 32.7 °F (0.4 °C) and 60.3 °F (15.7 °C).
Frost
On April 30 in this location expect the temperatures to drop below freezing for a risk of frost about 1.9% 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 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
- LANSING MUNICIPAL AP — Integrated Surface Dataset (ISD) station ID: 722126 — Weather Bureau Army Navy (WBAN): 04879 — from year 2006 to 2025
- GARY/CHICAGO AIRPORT — Integrated Surface Dataset (ISD) station ID: 725337 — Weather Bureau Army Navy (WBAN): 04807 — from year 2006 to 2025
- BURNS HARBOR — Integrated Surface Dataset (ISD) station ID: 997787 — 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
- GARY CHICAGO — Integrated Surface Dataset (ISD) station ID: 725337 — from year 1982 to 2005
- LANSING MUNI — Integrated Surface Dataset (ISD) station ID: 722126 — from year 2005 to 2005
- CHICAGO/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
- 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 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