Umatilla National Forest Rainfall Forecast

Today 12 Jul
5%
Mon 13 Jul
No Rain
Tue 14 Jul
45%
Wed 15 Jul
10%
Thu 16 Jul
10%
Fri 17 Jul
No Rain
Sat 18 Jul
5%

Umatilla National Forest Rainfall Statistics

July Rainfall

Grant County Regional Airport (35.4 miles)

Total Rainfall 2026
10.7in
Daily Average 2026
0.1in
Wettest Day 8 February, 2026
1.1in
Wet Days 2026
40/193 (21%)
Total Rainfall June
1.2in
Daily Average June
0.04in
Wettest Day 26 June, 2026
1in
Wet Days June
5/30 (17%)
Total Rainfall July
0in
Daily Average July
0in
Wettest Day 1 July, 2026
0in
Wet Days July
–

Climate (2021–2025)

Grant County Regional Airport (35.4 miles)

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Annual Average 2021–2025
16.5in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.1in
Wettest Day 5 December, 2025
1.2in

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