- Country: US
- State: IL
- Latitude: 41.867
- Longitude: -87.6
High Temperatures
On September 21 in CHICAGO/MEIGS the average high temperature is 70.0 °F (21.1 °C). The lowest recored high temperature was 53.1 °F (11.7 °C) in 1983 and the highest recored high temperature was 89.1 °F (31.7 °C) in 1980. The high temperature is usually* between 63.9 °F (17.7 °C) and 76.1 °F (24.5 °C). About a quarter of the time, the high temperature is less than 63.9 °F (17.7 °C), and another quarter of the time, the high temperature is greater than and 76.1 °F (24.5 °C). About 95% of the time, the high temperature has been between 52.4 °F (11.3 °C) and 87.7 °F (30.9 °C).
Low Temperatures
On September 21 in CHICAGO/MEIGS the average low temperature is 58.1 °F (14.5 °C). The lowest recored low temperature was 46.0 °F (7.8 °C) in 1983 and the lowest recored low temperature was 70.0 °F (21.1 °C) in 1980. The low temperature is usually* between 53.6 °F (12.0 °C) and 62.5 °F (17.0 °C). About a quarter of the time, the low temperature is less than 53.6 °F (12.0 °C), and another quarter of the time, the low temperature is greater than and 62.5 °F (17.0 °C). About 95% of the time, the low temperature has been between 45.0 °F (7.2 °C) and 71.1 °F (21.7 °C).
Frost
On September 21 in CHICAGO/MEIGS 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/MEIGS — Integrated Surface Dataset (ISD) station ID: 725346 — from year 2000 to 2002
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— Integrated Surface Dataset (ISD) station ID: 725346 — Weather Bureau Army Navy (WBAN): 94866 — from year 1973 to 1999