Weather Tomorrow in Chicago – Hour-by-Hour Forecast
Tuesday, 22/09/2026
17° / 12°
Overcast · Chance of rain 6%
Chicago Hourly Weather – Next 48 Hours
00
06
12
18
00:0006:0012:0018:00
48-hour forecast
00:00
13°
1%
01:00
13°
1%
02:00
13°
2%
03:00
12°
3%
04:00
12°
3%
05:00
12°
3%
06:00
12°
2%
07:00
12°
2%
08:00
12°
2%
09:00
13°
3%
10:00
14°
6%
11:00
14°
6%
12:00
15°
6%
13:00
15°
6%
14:00
15°
4%
15:00
15°
4%
16:00
15°
4%
17:00
15°
4%
18:00
15°
4%
19:00
16°
4%
20:00
17°
2%
21:00
17°
2%
22:00
17°
2%
23:00
17°
2%
Summary
Chicago gets a cooler-than-usual day, 14–17°C, with overcast.
Temperatures climb over the next few days, peaking at 20°C on Sunday 27/09.
The week ahead is dry, totalling only about 0 mm.
Sunrise 06:37, sunset 18:49.
Common questions
Will it rain in Chicago today?
No. The chance of rain today is only about 26%.
How hot is it in Chicago today?
Between 14°C and 17°C, with a felt maximum of 14°C.
What is the weather in Chicago tomorrow?
Tomorrow: overcast, 12–17°C, with a 6% chance of rain.