Cornelius Rainfall Forecast

Today 16 May
60%
Sun 17 May
No Rain
Mon 18 May
No Rain
Tue 19 May
No Rain
Wed 20 May
No Rain
Thu 21 May
No Rain
Fri 22 May
No Rain

Cornelius Rainfall Statistics

May Rainfall

Portland-Hillsboro Airport (5 miles)

Total Rainfall 2026
15.3in
Daily Average 2026
0.1in
Wettest Day 11 March, 2026
1.4in
Wet Days 2026
59/136 (43%)
Total Rainfall April
2.9in
Daily Average April
0.1in
Wettest Day 15 April, 2026
0.6in
Wet Days April
11/30 (37%)
Total Rainfall May
0.3in
Daily Average May
0.02in
Wettest Day 13 May, 2026
0.2in
Wet Days May
3/16 (19%)

Climate (2010–Present)

Portland-Hillsboro Airport (5 miles)

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Annual Average 2021–2025
34.4in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 26 December, 2022
2.5in

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