Chicago, US-Illinois – Weather Tomorrow September 20
Sunday, September 20
Night
01:00am – 07:00am
19°
21°
66°
70°
heavy rain
WNW 18 km/h
11 mph
Morning
07:00am – 01:00pm
19°
20°
66°
68°
heavy rain
NNE 32 km/h
20 mph
Afternoon
01:00pm – 07:00pm
18°
19°
64°
66°
rain
NE 33 km/h
20 mph
Evening
07:00pm – 01:00am
18°
19°
64°
66°
cloudy
NNE 34 km/h
21 mph
Weather Tomorrow – Summary
Tomorrow, on Sunday morning heavy rain, during the day rain, evening cloudy. Temperature: 18° to 21°C64° to 70°F. Wind: 18 to 34 km/h11 to 21 mph.
Data source: MET Norway — Last updated: Sep 19, 2026, 14:09 UTC