Potomac River - Calvert Bay Rainfall Forecast

Today 19 Jun
90%
Sat 20 Jun
No Rain
Sun 21 Jun
5%
Mon 22 Jun
75%
Tue 23 Jun
50%
Wed 24 Jun
15%
Thu 25 Jun
35%

Potomac River - Calvert Bay Rainfall Statistics

June Rainfall

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

Total Rainfall 2026
8.1in
Daily Average 2026
0.05in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
34/170 (20%)
Total Rainfall May
1.6in
Daily Average May
0.1in
Wettest Day 11 May, 2026
0.5in
Wet Days May
11/31 (35%)
Total Rainfall June
1.2in
Daily Average June
0.1in
Wettest Day 17 June, 2026
0.5in
Wet Days June
3/19 (16%)

Climate (2021–2025)

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
2.8in
Daily Average 2021–2026
0.1in
Wettest Day 8 July, 2021
3in

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