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Lansdowne, PA Marine Weather Forecast

Station PHBP1 - 8545240 - Philadelphia, PA

August 18, 2026 7:00 am EDT
Location: 39.933N 75.142W
Atmospheric Pressure: 29.86 in (1011.3 mb)
Pressure Tendency: +0.04 in (+1.3 mb)
Air Temperature: 76.1°F (24.5°C)
Water Temperature: 84.6°F (29.2°C)


Today - 88°F
Aug 18, 2026
5 mph N
Patchy Fog then Isolated Showers And Thunderstorms
Patchy fog before 9am, then isolated showers and thunderstorms. Partly sunny, with a high near 88. North wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight - 69°F
Aug 18, 2026
0 to 5 mph NW
Isolated Showers And Thunderstorms then Mostly Clear
Isolated showers and thunderstorms before 11pm. Mostly clear, with a low around 69. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
Wednesday - 89°F
Aug 19, 2026
0 to 5 mph NW
Sunny
Sunny, with a high near 89. Northwest wind 0 to 5 mph.
Wednesday Night - 72°F
Aug 19, 2026
0 to 5 mph SW
Partly Cloudy
Partly cloudy, with a low around 72. Southwest wind 0 to 5 mph.
Thursday - 86°F
Aug 20, 2026
0 to 5 mph W
Showers And Thunderstorms
A chance of rain showers between 8am and 11am, then showers and thunderstorms. Partly sunny, with a high near 86. West wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night - 68°F
Aug 20, 2026
0 to 5 mph NW
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday - 84°F
Aug 21, 2026
5 mph NE
Chance Rain Showers
A chance of rain showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Friday Night - 68°F
Aug 21, 2026
0 to 5 mph E
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Saturday - 82°F
Aug 22, 2026
0 to 5 mph E
Rain Showers Likely
Rain showers likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Saturday Night - 68°F
Aug 22, 2026
0 to 5 mph NE
Chance Showers And Thunderstorms
Rain showers likely before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday - 84°F
Aug 23, 2026
0 to 5 mph W
Chance Rain Showers
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Sunday Night - 67°F
Aug 23, 2026
5 mph W
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Monday - 83°F
Aug 24, 2026
5 mph W
Sunny
Sunny, with a high near 83.
Monday Night - 65°F
Aug 24, 2026
5 mph W
Mostly Clear
Mostly clear, with a low around 65.

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