John Day Rainfall Forecast

Today 31 Oct
5%
Sat 1 Nov
65%
Sun 2 Nov
5%
Mon 3 Nov
45%
Tue 4 Nov
45%
Wed 5 Nov
65%
Thu 6 Nov
40%

John Day Rainfall Statistics

October Rainfall

Grant County Regional Airport (0.6 miles)

Total Rainfall 2025
14.9in
Daily Average 2025
0.1in
Wettest Day 21 July, 2025
1.1in
Wet Days 2025
75/304 (25%)
Total Rainfall September
1.3in
Daily Average September
0.05in
Wettest Day 10 September, 2025
0.8in
Wet Days September
5/31 (16%)
Total Rainfall October
0.8in
Daily Average October
0.03in
Wettest Day 13 October, 2025
0.2in
Wet Days October
6/31 (19%)

Climate (2010–Present)

Grant County Regional Airport (0.6 miles)

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Annual Average 2020–2024
14.6in
Monthly Average 2020–2025
1.3in
Daily Average 2020–2025
0.05in
Wettest Day 21 July, 2025
1.1in

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