John Day Rainfall Forecast

Today 6 Apr
15%
Tue 7 Apr
No Rain
Wed 8 Apr
10%
Thu 9 Apr
15%
Fri 10 Apr
20%
Sat 11 Apr
40%
Sun 12 Apr
35%

John Day Rainfall Statistics

April Rainfall

Grant County Regional Airport (0.6 miles)

Total Rainfall 2026
6.6in
Daily Average 2026
0.1in
Wettest Day 8 February, 2026
1.1in
Wet Days 2026
24/96 (25%)
Total Rainfall March
2.3in
Daily Average March
0.1in
Wettest Day 2 March, 2026
0.6in
Wet Days March
9/31 (29%)
Total Rainfall April
0.3in
Daily Average April
0.1in
Wettest Day 1 April, 2026
0.3in
Wet Days April
1/6 (17%)

Climate (2010–Present)

Grant County Regional Airport (0.6 miles)

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Annual Average 2021–2025
16.5in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 5 December, 2025
1.2in

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