Prosser Rainfall Forecast

Today 30 Oct
No Rain
Fri 31 Oct
25%
Sat 1 Nov
45%
Sun 2 Nov
10%
Mon 3 Nov
35%
Tue 4 Nov
35%
Wed 5 Nov
55%

Prosser Rainfall Statistics

October Rainfall

Sunnyside Municipal Airport (12.4 miles)

Total Rainfall 2025
3.5in
Daily Average 2025
0.03in
Wettest Day 19 February, 2025
0.5in
Wet Days 2025
20/303 (7%)
Total Rainfall September
–
Daily Average September
–
Wettest Day 30 October, 2025
–
Wet Days September
–
Total Rainfall October
–
Daily Average October
–
Wettest Day 30 October, 2025
–
Wet Days October
–

Climate (2015–Present)

Sunnyside Municipal Airport (12.4 miles)

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Annual Average 2020–2024
22.1in
Monthly Average 2020–2025
1.9in
Daily Average 2020–2025
0.1in
Wettest Day 7 June, 2023
3.6in

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