Hay Rainfall Forecast

Today 13 Sep
70%
Mon 14 Sep
No Rain
Tue 15 Sep
5%
Wed 16 Sep
No Rain
Thu 17 Sep
No Rain
Fri 18 Sep
No Rain
Sat 19 Sep
No Rain

Hay Rainfall Statistics

September Rainfall

Walla Walla Regional Airport (43.5 miles)

Total Rainfall 2026
9.7in
Daily Average 2026
0.04in
Wettest Day 22 April, 2026
1.2in
Wet Days 2026
56/256 (22%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–
Total Rainfall September
0.4in
Daily Average September
0.04in
Wettest Day 2 September, 2026
0.2in
Wet Days September
5/13 (38%)

Climate (2021–2025)

Walla Walla Regional Airport (43.5 miles)

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Annual Average 2021–2025
15.1in
Monthly Average 2021–2026
1.3in
Daily Average 2021–2026
0.04in
Wettest Day 5 May, 2024
1.3in

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