See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Humid and Overcast
Feels Like: 23°
Min: 20°
Max: 24°
The next few hours will be overcast, with today reaching 24°C and dropping to 21°C. The coming days will be partly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:37
Sunrise
18:50
Sunset
Moon
Waxing Crescent
12:36
Moonrise
20:52
Moonset
Daily Forecast
Today
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
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UV Index
Humidity
Weather in South Chicago today, September 16, 2026
South Chicago could see fog on September 16, 2026, so early travel may need extra care. Visibility is the main watchpoint while the air stays still. The first half of the day looks overcast, as cloud amounts reach about 100% around 01:00. Brighter weather, if it comes, waits until later.
Temperatures climb from an overnight low near 20°C toward a daytime high of about 24°C. Relative humidity sits between 87% and 96%, reaching its peak around 01:00. A lighter breeze peaks around 14:00 near 3.0 km/h.
Afternoon skies stay clogged, peaking close to 100% near 12:00. The grey theme continues rather than clearing out. Visibility holds near 12.5 km, though it can fall to 3.7 km. Daylight runs from 06:37 to 18:50, lasting 12 hours 12 minutes of sunlight today.
The practical takeaway for South Chicago on September 16, 2026 is reduced clarity at times, so plan journeys with care near 24°C.
Frequently asked questions about weather in South Chicago
How warm does it get in South Chicago?
The warmest month in South Chicago is July, with average high temperatures of 25°C. The average temperature during this period is around 22°C.
How cold does it get in South Chicago?
The coldest month in South Chicago is January, with average low temperatures of -4°C. The average temperature during this period is around -2°C.
What is the wettest time of year in South Chicago?
The wettest month in South Chicago is October, with an average of 138mm of precipitation.
What is the driest time of year in South Chicago?
The driest month in South Chicago is September, with an average of 67mm of precipitation.
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