Portland Rainfall Forecast

Today 3 Aug
10%
Mon 4 Aug
15%
Tue 5 Aug
30%
Wed 6 Aug
35%
Thu 7 Aug
20%
Fri 8 Aug
15%
Sat 9 Aug
10%

Portland Rainfall Statistics

August Rainfall

Cincinnati/Northern Kentucky International Airport (23.6 miles)

Total Rainfall 2025
35in
Daily Average 2025
0.2in
Wettest Day 20 July, 2025
2.9in
Wet Days 2025
92/215 (43%)
Total Rainfall July
6.9in
Daily Average July
0.2in
Wettest Day 20 July, 2025
2.9in
Wet Days July
17/31 (55%)
Total Rainfall August
–
Daily Average August
–
Wettest Day 3 August, 2025
–
Wet Days August
–

Climate (2010–Present)

Cincinnati/Northern Kentucky International Airport (23.6 miles)

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Annual Average 2020–2024
45.2in
Monthly Average 2020–2025
3.8in
Daily Average 2020–2025
0.1in
Wettest Day 20 July, 2025
2.9in

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