National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Overcast

73°F

23°C

Humidity 84%
Wind Speed E 7 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 22 Aug 10:54 am EDT
Extended Forecast for

Arnold MD

  • Today

    Today: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. East wind around 8 mph. Chance of precipitation is 50%.

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Sunday

    Sunday: Mostly sunny, with a high near 85. West wind 5 to 10 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. West wind around 6 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83. West wind 6 to 9 mph.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. East wind around 8 mph. Chance of precipitation is 50%.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Mostly sunny, with a high near 85. West wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 66. West wind around 6 mph.
Monday
Sunny, with a high near 83. West wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 85.
Wednesday Night
A chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.01°N 76.51°W (Elev. 0 ft)
Last Update:
10:53 am EDT Aug 22, 2026
Forecast Valid:
11am EDT Aug 22, 2026-6pm EDT Aug 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation