Riverside Rainfall Forecast

Today 15 Sep
10%
Wed 16 Sep
No Rain
Thu 17 Sep
10%
Fri 18 Sep
5%
Sat 19 Sep
No Rain
Sun 20 Sep
No Rain
Mon 21 Sep
No Rain

Riverside Rainfall Statistics

September Rainfall

Eastern Oregon Regional Airport at Pendleton (4.3 miles)

Total Rainfall 2026
6.1in
Daily Average 2026
0.02in
Wettest Day 22 April, 2026
0.6in
Wet Days 2026
41/258 (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
0.1in
Wettest Day 12 September, 2026
0.4in
Wet Days September
6/15 (40%)

Climate (2021–2025)

Eastern Oregon Regional Airport at Pendleton (4.3 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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