McKay Reservoir Rainfall Forecast

Today 24 Sep
No Rain
Fri 25 Sep
80%
Sat 26 Sep
No Rain
Sun 27 Sep
No Rain
Mon 28 Sep
No Rain
Tue 29 Sep
10%
Wed 30 Sep
5%

McKay Reservoir Rainfall Statistics

September Rainfall

Eastern Oregon Regional Airport at Pendleton (8.1 miles)

Total Rainfall 2026
6.1in
Daily Average 2026
0.02in
Wettest Day 22 April, 2026
0.6in
Wet Days 2026
43/267 (16%)
Total Rainfall August
0.02in
Daily Average August
0in
Wettest Day 15 August, 2026
0.02in
Wet Days August
1/31 (3%)
Total Rainfall September
1.1in
Daily Average September
0.05in
Wettest Day 2 September, 2026
0.3in
Wet Days September
8/24 (33%)

Climate (2021–2025)

Eastern Oregon Regional Airport at Pendleton (8.1 miles)

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Annual Average 2021–2025
12in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 5 May, 2024
1.5in

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