Station information
- Integrated Surface Dataset (ISD) station ID: 997338
- Country: US
- State: IL
- Latitude: 42.0
- Longitude: -87.5
High Temperatures
On January 9 in CHICAGO the average high temperature is 34.5 °F (1.4 °C). The lowest recored high temperature was 19.0 °F (-7.2 °C) in 2015 and the highest recored high temperature was 49.1 °F (9.5 °C) in 2020. The high temperature is usually* between 27.8 °F (-2.3 °C) and 41.2 °F (5.1 °C). About a quarter of the time, the high temperature is less than 27.8 °F (-2.3 °C), and another quarter of the time, the high temperature is greater than and 41.2 °F (5.1 °C). About 95% of the time, the high temperature has been between 15.1 °F (-9.4 °C) and 54.0 °F (12.2 °C).
Low Temperatures
On January 9 in CHICAGO the average low temperature is 24.4 °F (-4.2 °C). The lowest recored low temperature was 4.8 °F (-15.1 °C) in 2015 and the lowest recored low temperature was 36.7 °F (2.6 °C) in 2013. The low temperature is usually* between 17.0 °F (-8.3 °C) and 31.8 °F (-0.1 °C). About a quarter of the time, the low temperature is less than 17.0 °F (-8.3 °C), and another quarter of the time, the low temperature is greater than and 31.8 °F (-0.1 °C). About 95% of the time, the low temperature has been between 2.9 °F (-16.2 °C) and 45.8 °F (7.7 °C).
Frost
On January 9 in CHICAGO expect the temperatures to drop below freezing for a risk of frost about 75.7% 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 2006 to 2025