- Country: US
- State: IL
- Latitude: 41.976
- Longitude: -87.648
High Temperatures
On September 20 in FOSTER AVE CHICAGO the average high temperature is 75.3 °F (24.1 °C). The lowest recored high temperature was 67.3 °F (19.6 °C) in 2015 and the highest recored high temperature was 89.6 °F (32.0 °C) in 2017. The high temperature is usually* between 69.2 °F (20.7 °C) and 81.5 °F (27.5 °C). About a quarter of the time, the high temperature is less than 69.2 °F (20.7 °C), and another quarter of the time, the high temperature is greater than and 81.5 °F (27.5 °C). About 95% of the time, the high temperature has been between 57.5 °F (14.2 °C) and 93.2 °F (34.0 °C).
Low Temperatures
On September 20 in FOSTER AVE CHICAGO the average low temperature is 61.8 °F (16.6 °C). The lowest recored low temperature was 55.8 °F (13.2 °C) in 2015 and the lowest recored low temperature was 67.3 °F (19.6 °C) in 2017. The low temperature is usually* between 57.3 °F (14.1 °C) and 66.3 °F (19.1 °C). About a quarter of the time, the low temperature is less than 57.3 °F (14.1 °C), and another quarter of the time, the low temperature is greater than and 66.3 °F (19.1 °C). About 95% of the time, the low temperature has been between 48.7 °F (9.3 °C) and 74.9 °F (23.8 °C).
Frost
On September 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 2017