- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On December 30 in this location the average high temperature is 34.6 °F (1.5 °C). The lowest recored high temperature was 6.3 °F (-14.3 °C) in 1976 and the highest recored high temperature was 59.0 °F (15.0 °C) in 2002. The high temperature is usually* between 28.0 °F (-2.2 °C) and 41.3 °F (5.2 °C). About a quarter of the time, the high temperature is less than 28.0 °F (-2.2 °C), and another quarter of the time, the high temperature is greater than and 41.3 °F (5.2 °C). About 95% of the time, the high temperature has been between 15.3 °F (-9.3 °C) and 54.0 °F (12.2 °C).
Low Temperatures
On December 30 in this location the average low temperature is 23.0 °F (-5.0 °C). The lowest recored low temperature was -5.1 °F (-20.6 °C) in 1983 and the lowest recored low temperature was 39.9 °F (4.4 °C) in 1992. The low temperature is usually* between 15.5 °F (-9.2 °C) and 30.5 °F (-0.8 °C). About a quarter of the time, the low temperature is less than 15.5 °F (-9.2 °C), and another quarter of the time, the low temperature is greater than and 30.5 °F (-0.8 °C). About 95% of the time, the low temperature has been between 1.2 °F (-17.1 °C) and 44.8 °F (7.1 °C).
Frost
On December 30 in this location expect the temperatures to drop below freezing for a risk of frost about 79.1% 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 2024
- NORTHERLY ISLAND — Integrated Surface Dataset (ISD) station ID: 998499 — from year 2012 to 2024
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2015 to 2017
- 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
- WILMETTE (MARINES)& — Integrated Surface Dataset (ISD) station ID: 725307 — from year 1976 to 1995
- NAVAL AIR STATION — Integrated Surface Dataset (ISD) station ID: 725306 — Weather Bureau Army Navy (WBAN): 14855 — from year 1973 to 1994
- WILMETTE (CGS) — Integrated Surface Dataset (ISD) station ID: 722417 — from year 1987 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 1969
- DUNNE CRIB IL. — Integrated Surface Dataset (ISD) station ID: 744650 — from year 1943 to 1943