Station information
- Integrated Surface Dataset (ISD) station ID: 998497
- Country: US
- State: IL
- Latitude: 41.976
- Longitude: -87.648
High Temperatures
On August 20 in FOSTER AVE CHICAGO the average high temperature is 78.3 °F (25.7 °C). The lowest recored high temperature was 72.9 °F (22.7 °C) in 2012 and the highest recored high temperature was 83.1 °F (28.4 °C) in 2017. The high temperature is usually* between 75.5 °F (24.2 °C) and 81.0 °F (27.2 °C). About a quarter of the time, the high temperature is less than 75.5 °F (24.2 °C), and another quarter of the time, the high temperature is greater than and 81.0 °F (27.2 °C). About 95% of the time, the high temperature has been between 70.3 °F (21.3 °C) and 86.2 °F (30.1 °C).
Low Temperatures
On August 20 in FOSTER AVE CHICAGO the average low temperature is 66.8 °F (19.3 °C). The lowest recored low temperature was 60.8 °F (16.0 °C) in 2015 and the lowest recored low temperature was 72.0 °F (22.2 °C) in 2019. The low temperature is usually* between 63.8 °F (17.6 °C) and 69.8 °F (21.0 °C). About a quarter of the time, the low temperature is less than 63.8 °F (17.6 °C), and another quarter of the time, the low temperature is greater than and 69.8 °F (21.0 °C). About 95% of the time, the low temperature has been between 58.0 °F (14.5 °C) and 75.5 °F (24.2 °C).
Frost
On August 20 in FOSTER AVE CHICAGO 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:
- FOSTER AVE CHICAGO — Integrated Surface Dataset (ISD) station ID: 998497 — from year 2012 to 2019