Potomac River - Cobb Point Rainfall Forecast

Today 14 Mar
No Rain
Sun 15 Mar
5%
Mon 16 Mar
100%
Tue 17 Mar
75%
Wed 18 Mar
No Rain
Thu 19 Mar
5%
Fri 20 Mar
20%

Potomac River - Cobb Point Rainfall Statistics

March Rainfall

St Marys County Airport (16.2 miles)

Total Rainfall 2026
0.8in
Daily Average 2026
0.01in
Wettest Day 3 March, 2026
0.3in
Wet Days 2026
10/73 (14%)
Total Rainfall February
0.3in
Daily Average February
0.01in
Wettest Day 26 February, 2026
0.1in
Wet Days February
4/28 (14%)
Total Rainfall March
0.4in
Daily Average March
0.04in
Wettest Day 3 March, 2026
0.3in
Wet Days March
3/14 (21%)

Climate (2010–Present)

St Marys County Airport (16.2 miles)

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Annual Average 2021–2025
41in
Monthly Average 2021–2026
3.3in
Daily Average 2021–2026
0.1in
Wettest Day 23 March, 2024
12.2in

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