Olson Airport Rainfall Forecast

Today 15 Aug
10%
Sat 16 Aug
25%
Sun 17 Aug
30%
Mon 18 Aug
30%
Tue 19 Aug
40%
Wed 20 Aug
20%
Thu 21 Aug
5%

Olson Airport Rainfall Statistics

August Rainfall

Chicago / West Chicago, Dupage Airport (13 miles)

Total Rainfall 2025
18in
Daily Average 2025
0.1in
Wettest Day 27 July, 2025
1.5in
Wet Days 2025
67/227 (30%)
Total Rainfall July
7in
Daily Average July
0.2in
Wettest Day 27 July, 2025
1.5in
Wet Days July
13/31 (42%)
Total Rainfall August
0.3in
Daily Average August
0.02in
Wettest Day 12 August, 2025
0.2in
Wet Days August
2/15 (13%)

Climate (2010–Present)

Chicago / West Chicago, Dupage Airport (13 miles)

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Annual Average 2020–2024
29.9in
Monthly Average 2020–2025
2.4in
Daily Average 2020–2025
0.1in
Wettest Day 28 July, 2023
3.2in

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