Hay Rainfall Forecast

Today 14 Apr
75%
Wed 15 Apr
90%
Thu 16 Apr
25%
Fri 17 Apr
No Rain
Sat 18 Apr
10%
Sun 19 Apr
40%
Mon 20 Apr
35%

Hay Rainfall Statistics

April Rainfall

Walla Walla Regional Airport (43.5 miles)

Total Rainfall 2026
6.2in
Daily Average 2026
0.1in
Wettest Day 8 February, 2026
1.1in
Wet Days 2026
36/104 (35%)
Total Rainfall March
2in
Daily Average March
0.1in
Wettest Day 4 March, 2026
0.5in
Wet Days March
9/31 (29%)
Total Rainfall April
0.9in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.5in
Wet Days April
3/14 (21%)

Climate (2010–Present)

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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