Potomac River - Colton Point Rainfall Forecast

Today 27 Sep
85%
Mon 28 Sep
20%
Tue 29 Sep
No Rain
Wed 30 Sep
No Rain
Thu 1 Oct
No Rain
Fri 2 Oct
15%
Sat 3 Oct
15%

Potomac River - Colton Point Rainfall Statistics

September Rainfall

St Marys County Airport (12.4 miles)

Total Rainfall 2026
13in
Daily Average 2026
0.05in
Wettest Day 22 July, 2026
1.9in
Wet Days 2026
60/270 (22%)
Total Rainfall August
1.6in
Daily Average August
0.1in
Wettest Day 10 August, 2026
0.7in
Wet Days August
11/31 (35%)
Total Rainfall September
1.9in
Daily Average September
0.1in
Wettest Day 4 September, 2026
1.4in
Wet Days September
4/27 (15%)

Climate (2021–2025)

St Marys County Airport (12.4 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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