Potomac River - Smith Creek Entrance Rainfall Forecast

Today 10 Sep
30%
Fri 11 Sep
40%
Sat 12 Sep
45%
Sun 13 Sep
70%
Mon 14 Sep
5%
Tue 15 Sep
5%
Wed 16 Sep
25%

Potomac River - Smith Creek Entrance Rainfall Statistics

September Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (2.5 miles)

Total Rainfall 2026
16.2in
Daily Average 2026
0.1in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
62/253 (25%)
Total Rainfall August
3.5in
Daily Average August
0.1in
Wettest Day 17 August, 2026
1.1in
Wet Days August
12/31 (39%)
Total Rainfall September
0.5in
Daily Average September
0.1in
Wettest Day 4 September, 2026
0.4in
Wet Days September
2/10 (20%)

Climate (2021–2025)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (2.5 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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