Potomac River - Rowley Bay Entrance Rainfall Forecast

Today 14 Aug
55%
Sat 15 Aug
35%
Sun 16 Aug
55%
Mon 17 Aug
45%
Tue 18 Aug
30%
Wed 19 Aug
20%
Thu 20 Aug
25%

Potomac River - Rowley Bay Entrance Rainfall Statistics

August Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

Total Rainfall 2026
13.6in
Daily Average 2026
0.1in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
54/226 (24%)
Total Rainfall July
2.9in
Daily Average July
0.1in
Wettest Day 21 July, 2026
1.2in
Wet Days July
12/31 (39%)
Total Rainfall August
1.3in
Daily Average August
0.1in
Wettest Day 3 August, 2026
0.5in
Wet Days August
6/14 (43%)

Climate (2021–2025)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.7 miles)

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Annual Average 2021–2025
35.4in
Monthly Average 2021–2026
2.6in
Daily Average 2021–2026
0.1in
Wettest Day 10 December, 2023
2.5in

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