O'Hare Rainfall Forecast

Today 16 Aug
70%
Sun 17 Aug
65%
Mon 18 Aug
35%
Tue 19 Aug
35%
Wed 20 Aug
15%
Thu 21 Aug
No Rain
Fri 22 Aug
5%

O'Hare Rainfall Statistics

August Rainfall

Chicago, Chicago-O'Hare International Airport (3.1 miles)

Total Rainfall 2025
18in
Daily Average 2025
0.1in
Wettest Day 18 June, 2025
1.9in
Wet Days 2025
75/228 (33%)
Total Rainfall July
4.3in
Daily Average July
0.1in
Wettest Day 10 July, 2025
1.2in
Wet Days July
15/31 (48%)
Total Rainfall August
0.5in
Daily Average August
0.04in
Wettest Day 11 August, 2025
0.3in
Wet Days August
3/16 (19%)

Climate (2010–Present)

Chicago, Chicago-O'Hare International Airport (3.1 miles)

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Annual Average 2020–2024
33.7in
Monthly Average 2020–2025
2.6in
Daily Average 2020–2025
0.1in
Wettest Day 2 July, 2023
3.4in

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