Potomac River - Cornfield Harbor Rainfall Forecast

Today 18 Mar
40%
Thu 19 Mar
5%
Fri 20 Mar
5%
Sat 21 Mar
50%
Sun 22 Mar
10%
Mon 23 Mar
35%
Tue 24 Mar
15%

Potomac River - Cornfield Harbor Rainfall Statistics

March Rainfall

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 miles)

Total Rainfall 2026
4.6in
Daily Average 2026
0.1in
Wettest Day 10 January, 2026
1.3in
Wet Days 2026
15/77 (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
0.6in
Daily Average March
0.04in
Wettest Day 16 March, 2026
0.4in
Wet Days March
3/18 (17%)

Climate (2010–Present)

St. Inigoes, Webster Field, Naval Electronic Systems Engineering Activity (6.8 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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