Columbia River - Prescott Rainfall Forecast

Today 18 Sep
No Rain
Fri 19 Sep
No Rain
Sat 20 Sep
65%
Sun 21 Sep
65%
Mon 22 Sep
10%
Tue 23 Sep
20%
Wed 24 Sep
25%

Columbia River - Prescott Rainfall Statistics

September Rainfall

Southwest Washington Regional Airport (4.3 miles)

Total Rainfall 2025
15in
Daily Average 2025
0.1in
Wettest Day 24 February, 2025
0.8in
Wet Days 2025
85/261 (33%)
Total Rainfall August
0.6in
Daily Average August
0.02in
Wettest Day 16 August, 2025
0.2in
Wet Days August
5/31 (16%)
Total Rainfall September
0.1in
Daily Average September
0in
Wettest Day 14 September, 2025
0.04in
Wet Days September
2/18 (11%)

Climate (2010–Present)

Southwest Washington Regional Airport (4.3 miles)

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Annual Average 2020–2024
39.1in
Monthly Average 2020–2025
3.2in
Daily Average 2020–2025
0.1in
Wettest Day 4 November, 2022
4.2in

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