Potomac River - Calvert Bay Rainfall Forecast

Today 13 Mar
No Rain
Sat 14 Mar
5%
Sun 15 Mar
10%
Mon 16 Mar
95%
Tue 17 Mar
70%
Wed 18 Mar
No Rain
Thu 19 Mar
5%

Potomac River - Calvert Bay Rainfall Statistics

March Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.1 miles)

Total Rainfall 2026
4.3in
Daily Average 2026
0.1in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
14/72 (19%)
Total Rainfall February
2.6in
Daily Average February
0.1in
Wettest Day 15 February, 2026
1in
Wet Days February
8/28 (29%)
Total Rainfall March
0.2in
Daily Average March
0.02in
Wettest Day 3 March, 2026
0.2in
Wet Days March
2/13 (15%)

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (3.1 miles)

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Annual Average 2021–2025
35.4in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 9 June, 2021
3.6in

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