0in

Rain Today

Rain Last Hour
0in

Recorded at St Marys County Airport Updated 20 mins ago (16.4 miles away)

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Real-Time Extremes

Hottest 84.1 °F
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Coldest -20.3 °F
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Windiest 58.6mph
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Wettest (Last Hour) 0.1in
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Most Humid 100%
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Least Humid 11%
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Highest Pressure 1045.7 hPa
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Lowest Pressure 966 hPa
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Potomac River - Cobb Point Rainfall Forecast

Today 13 Dec
5%
Sun 14 Dec
80%
Mon 15 Dec
5%
Tue 16 Dec
No Rain
Wed 17 Dec
No Rain
Thu 18 Dec
15%
Fri 19 Dec
40%

Potomac River - Cobb Point Rainfall Statistics

December Rainfall

St Marys County Airport (16.2 miles)

Total Rainfall 2025
66.9in
Daily Average 2025
0.2in
Wettest Day 28 May, 2025
7.1in
Wet Days 2025
105/347 (30%)
Total Rainfall November
0.2in
Daily Average November
0.01in
Wettest Day 27 November, 2025
0.05in
Wet Days November
8/30 (27%)
Total Rainfall December
0.3in
Daily Average December
0.03in
Wettest Day 3 December, 2025
0.1in
Wet Days December
9/13 (69%)

Climate (2010–Present)

St Marys County Airport (16.2 miles)

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Annual Average 2020–2024
28.3in
Monthly Average 2020–2025
3.5in
Daily Average 2020–2025
0.1in
Wettest Day 23 March, 2024
12.2in

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