Station information
- Integrated Surface Dataset (ISD) station ID: 725344
- Country: US
- Latitude: 41.72
- Longitude: -87.53
High Temperatures
On March 21 in CHICAGO / CALUMET COAST GUARD the average high temperature is 48.7 °F (9.3 °C). The lowest recored high temperature was 29.8 °F (-1.2 °C) in 1996 and the highest recored high temperature was 57.9 °F (14.4 °C) in 1994. The high temperature is usually* between 39.2 °F (4.0 °C) and 58.3 °F (14.6 °C). About a quarter of the time, the high temperature is less than 39.2 °F (4.0 °C), and another quarter of the time, the high temperature is greater than and 58.3 °F (14.6 °C). About 95% of the time, the high temperature has been between 20.9 °F (-6.1 °C) and 76.5 °F (24.7 °C).
Low Temperatures
On March 21 in CHICAGO / CALUMET COAST GUARD the average low temperature is 31.9 °F (-0.1 °C). The lowest recored low temperature was 21.9 °F (-5.6 °C) in 1996 and the lowest recored low temperature was 38.8 °F (3.8 °C) in 1994. The low temperature is usually* between 26.3 °F (-3.2 °C) and 37.5 °F (3.1 °C). About a quarter of the time, the low temperature is less than 26.3 °F (-3.2 °C), and another quarter of the time, the low temperature is greater than and 37.5 °F (3.1 °C). About 95% of the time, the low temperature has been between 15.5 °F (-9.1 °C) and 48.3 °F (9.0 °C).
Frost
On March 21 in CHICAGO / CALUMET COAST GUARD expect the temperatures to drop below freezing for a risk of frost about 50.5% 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 / CALUMET COAST GUARD — Integrated Surface Dataset (ISD) station ID: 725344 — from year 1994 to 1996