Gresham Rainfall Forecast

Today 25 May
60%
Tue 26 May
60%
Wed 27 May
60%
Thu 28 May
55%
Fri 29 May
30%
Sat 30 May
70%
Sun 31 May
70%

Gresham Rainfall Statistics

May Rainfall

Marion County Airport (17.4 miles)

Total Rainfall 2026
15.8in
Daily Average 2026
0.1in
Wettest Day 4 February, 2026
2.7in
Wet Days 2026
30/145 (21%)
Total Rainfall April
1.7in
Daily Average April
0.1in
Wettest Day 5 April, 2026
0.7in
Wet Days April
6/30 (20%)
Total Rainfall May
4.5in
Daily Average May
0.2in
Wettest Day 22 May, 2026
1.6in
Wet Days May
5/25 (20%)

Climate (2010–Present)

Marion County Airport (17.4 miles)

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Annual Average 2021–2025
53in
Monthly Average 2021–2026
4.5in
Daily Average 2021–2026
0.2in
Wettest Day 30 August, 2023
14in

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