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Crownsville, MD Marine Weather Forecast

Station APAM2 - 8575512 - Annapolis, MD

July 3, 2026 12:30 pm EDT
Location: 38.983N 76.479W
Wind Direction: E (100°)
Wind Speed: 7.0 knots
Wind Gust: 8.0 knots
Atmospheric Pressure: 30.03 in (1016.8 mb)
Air Temperature: 90.3°F (32.4°C)
Water Temperature: 84.2°F (29.0°C)


This Afternoon - 98°F
Jul 03, 2026
5 to 8 mph SE
Sunny
Sunny, with a high near 98. Heat index values as high as 113. Southeast wind 5 to 8 mph.
Tonight - 81°F
Jul 03, 2026
0 to 7 mph SW
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms between 8pm and midnight. Partly cloudy, with a low around 81. Heat index values as high as 107. Southwest wind 0 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Independence Day - 98°F
Jul 04, 2026
0 to 9 mph SW
Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 3pm. Sunny, with a high near 98. Heat index values as high as 109. Southwest wind 0 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday Night - 76°F
Jul 04, 2026
0 to 8 mph SW
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. Heat index values as high as 101. Southwest wind 0 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Sunday - 91°F
Jul 05, 2026
0 to 7 mph S
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91. South wind 0 to 7 mph. Chance of precipitation is 50%.
Sunday Night - 74°F
Jul 05, 2026
3 to 7 mph E
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 80%.
Monday - 89°F
Jul 06, 2026
3 to 9 mph E
Showers And Thunderstorms Likely
A slight chance of rain showers before 2pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 89. Chance of precipitation is 70%.
Monday Night - 73°F
Jul 06, 2026
5 to 9 mph E
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 70%.
Tuesday - 89°F
Jul 07, 2026
5 to 8 mph NE
Chance Rain Showers then Chance Showers And Thunderstorms
A chance of rain showers before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. Chance of precipitation is 50%.
Tuesday Night - 72°F
Jul 07, 2026
3 to 7 mph NE
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Wednesday - 90°F
Jul 08, 2026
7 mph NE
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
Wednesday Night - 73°F
Jul 08, 2026
5 mph SE
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Chance of precipitation is 20%.
Thursday - 92°F
Jul 09, 2026
2 to 7 mph SW
Mostly Sunny
Mostly sunny, with a high near 92.
Thursday Night - 75°F
Jul 09, 2026
6 mph S
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 75.

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