Grass Valley Rainfall Forecast

Today 7 Sep
No Rain
Tue 8 Sep
No Rain
Wed 9 Sep
No Rain
Thu 10 Sep
No Rain
Fri 11 Sep
5%
Sat 12 Sep
15%
Sun 13 Sep
5%

Grass Valley Rainfall Statistics

September Rainfall

The Dalles Municipal Airport (25.5 miles)

Total Rainfall 2026
5.9in
Daily Average 2026
0.02in
Wettest Day 28 May, 2026
0.6in
Wet Days 2026
39/250 (16%)
Total Rainfall August
0.01in
Daily Average August
0in
Wettest Day 15 August, 2026
0.01in
Wet Days August
1/31 (3%)
Total Rainfall September
0.3in
Daily Average September
0.1in
Wettest Day 2 September, 2026
0.2in
Wet Days September
4/7 (57%)

Climate (2021–2025)

The Dalles Municipal Airport (25.5 miles)

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Annual Average 2021–2025
11.2in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 18 December, 2025
2.2in

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