- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On May 19 in this location the average high temperature is 69.6 °F (20.9 °C). The lowest recored high temperature was 45.0 °F (7.2 °C) in 1957 and the highest recored high temperature was 93.0 °F (33.9 °C) in 1975. The high temperature is usually* between 61.7 °F (16.5 °C) and 77.4 °F (25.2 °C). About a quarter of the time, the high temperature is less than 61.7 °F (16.5 °C), and another quarter of the time, the high temperature is greater than and 77.4 °F (25.2 °C). About 95% of the time, the high temperature has been between 46.8 °F (8.2 °C) and 92.3 °F (33.5 °C).
Low Temperatures
On May 19 in this location the average low temperature is 52.0 °F (11.1 °C). The lowest recored low temperature was 30.9 °F (-0.6 °C) in 1994 and the lowest recored low temperature was 73.9 °F (23.3 °C) in 1964. The low temperature is usually* between 46.7 °F (8.2 °C) and 57.4 °F (14.1 °C). About a quarter of the time, the low temperature is less than 46.7 °F (8.2 °C), and another quarter of the time, the low temperature is greater than and 57.4 °F (14.1 °C). About 95% of the time, the low temperature has been between 36.6 °F (2.6 °C) and 67.5 °F (19.7 °C).
Frost
On May 19 in this location expect the temperatures to drop below freezing for a risk of frost about 0.5% 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 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 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 1989 to 1990
- NAVAL AIR STATION — Weather Bureau Army Navy (WBAN): 14855 — from year 1945 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