- Latitude: 41.914
- Longitude: -88.246
High Temperatures
On February 18 in this location the average high temperature is 37.0 °F (2.8 °C). The lowest recored high temperature was 8.1 °F (-13.3 °C) in 2025 and the highest recored high temperature was 70.0 °F (21.1 °C) in 2017. The high temperature is usually* between 29.3 °F (-1.5 °C) and 44.6 °F (7.0 °C). About a quarter of the time, the high temperature is less than 29.3 °F (-1.5 °C), and another quarter of the time, the high temperature is greater than and 44.6 °F (7.0 °C). About 95% of the time, the high temperature has been between 14.8 °F (-9.6 °C) and 59.2 °F (15.1 °C).
Low Temperatures
On February 18 in this location the average low temperature is 19.8 °F (-6.8 °C). The lowest recored low temperature was -9.9 °F (-23.3 °C) in 2025 and the lowest recored low temperature was 44.1 °F (6.7 °C) in 2017. The low temperature is usually* between 11.5 °F (-11.4 °C) and 28.1 °F (-2.2 °C). About a quarter of the time, the low temperature is less than 11.5 °F (-11.4 °C), and another quarter of the time, the low temperature is greater than and 28.1 °F (-2.2 °C). About 95% of the time, the low temperature has been between -4.2 °F (-20.1 °C) and 43.8 °F (6.6 °C).
Frost
On February 18 in this location expect the temperatures to drop below freezing for a risk of frost about 84.0% 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