Winthrop Harbor Rainfall Forecast

Today 22 May
5%
Sat 23 May
20%
Sun 24 May
30%
Mon 25 May
No Rain
Tue 26 May
5%
Wed 27 May
10%
Thu 28 May
10%

Winthrop Harbor Rainfall Statistics

May Rainfall

Chicago/Waukegan Regional Airport (3.7 miles)

Total Rainfall 2026
14.1in
Daily Average 2026
0.1in
Wettest Day 2 April, 2026
1.9in
Wet Days 2026
44/142 (31%)
Total Rainfall April
8.4in
Daily Average April
0.3in
Wettest Day 2 April, 2026
1.9in
Wet Days April
17/30 (57%)
Total Rainfall May
0.4in
Daily Average May
0.02in
Wettest Day 16 May, 2026
0.3in
Wet Days May
4/22 (18%)

Climate (2010–Present)

Chicago/Waukegan Regional Airport (3.7 miles)

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Annual Average 2021–2025
31.8in
Monthly Average 2021–2026
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 23 July, 2022
3.9in

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