- Latitude: 41.914
- Longitude: -88.246
High Temperatures
On August 18 in this location the average high temperature is 81.9 °F (27.7 °C). The lowest recored high temperature was 64.0 °F (17.8 °C) in 1950 and the highest recored high temperature was 98.1 °F (36.7 °C) in 1988. The high temperature is usually* between 78.0 °F (25.5 °C) and 85.9 °F (29.9 °C). About a quarter of the time, the high temperature is less than 78.0 °F (25.5 °C), and another quarter of the time, the high temperature is greater than and 85.9 °F (29.9 °C). About 95% of the time, the high temperature has been between 70.4 °F (21.4 °C) and 93.4 °F (34.1 °C).
Low Temperatures
On August 18 in this location the average low temperature is 61.9 °F (16.6 °C). The lowest recored low temperature was 42.1 °F (5.6 °C) in 1963 and the lowest recored low temperature was 80.2 °F (26.8 °C) in 1947. The low temperature is usually* between 57.4 °F (14.1 °C) and 66.4 °F (19.1 °C). About a quarter of the time, the low temperature is less than 57.4 °F (14.1 °C), and another quarter of the time, the low temperature is greater than and 66.4 °F (19.1 °C). About 95% of the time, the low temperature has been between 48.8 °F (9.4 °C) and 75.0 °F (23.9 °C).
Frost
On August 18 in this location expect the temperatures to drop below freezing for a risk of frost about 0.0% 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
- DUPAGE AIRPORT — Integrated Surface Dataset (ISD) station ID: 725305 — Weather Bureau Army Navy (WBAN): 94892 — from year 2006 to 2025
- AURORA MUNICIPAL AIRPORT — Integrated Surface Dataset (ISD) station ID: 744655 — Weather Bureau Army Navy (WBAN): 04808 — from year 2006 to 2025
- DUPAGE — Integrated Surface Dataset (ISD) station ID: 725305 — from year 1973 to 2005
- AURORA MUNICIPAL — Integrated Surface Dataset (ISD) station ID: 744655 — from year 1985 to 2005
- CHICAGO OHARE INTL AP — Weather Bureau Army Navy (WBAN): 94846 — from year 1970 to 1972
- PARK RIDGE AF — Weather Bureau Army Navy (WBAN): 14810 — from year 1949 to 1958