Pomona Rainfall Forecast

Today 17 Aug
35%
Mon 18 Aug
55%
Tue 19 Aug
30%
Wed 20 Aug
20%
Thu 21 Aug
15%
Fri 22 Aug
10%
Sat 23 Aug
15%

Pomona Rainfall Statistics

August Rainfall

Bay Bridge Field (17.4 miles)

Total Rainfall 2025
324.5in
Daily Average 2025
1.5in
Wettest Day 5 March, 2025
104.3in
Wet Days 2025
94/229 (41%)
Total Rainfall July
1.7in
Daily Average July
0.1in
Wettest Day 1 July, 2025
0.6in
Wet Days July
9/31 (29%)
Total Rainfall August
18in
Daily Average August
1.2in
Wettest Day 4 August, 2025
15.6in
Wet Days August
13/17 (76%)

Climate (2010–Present)

Bay Bridge Field (17.4 miles)

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Annual Average 2020–2024
552.8in
Monthly Average 2020–2025
62.3in
Daily Average 2020–2025
2.2in
Wettest Day 23 December, 2022
134.2in

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