Patapsco River - Fort McHenry Marsh Rainfall Forecast

Today 31 Oct
10%
Sat 1 Nov
No Rain
Sun 2 Nov
5%
Mon 3 Nov
10%
Tue 4 Nov
10%
Wed 5 Nov
5%
Thu 6 Nov
20%

Patapsco River - Fort McHenry Marsh Rainfall Statistics

October Rainfall

Baltimore, Inner Harbor (1.9 miles)

Total Rainfall 2025
31.5in
Daily Average 2025
0.1in
Wettest Day 13 May, 2025
1.4in
Wet Days 2025
104/304 (34%)
Total Rainfall September
2.6in
Daily Average September
0.1in
Wettest Day 6 September, 2025
0.5in
Wet Days September
11/31 (35%)
Total Rainfall October
1.6in
Daily Average October
0.1in
Wettest Day 16 October, 2025
1in
Wet Days October
11/31 (35%)

Climate (2010–Present)

Baltimore, Inner Harbor (1.9 miles)

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Annual Average 2020–2024
26.9in
Monthly Average 2022–2025
3.2in
Daily Average 2022–2025
0.1in
Wettest Day 9 January, 2024
3.1in

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