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.

Fair

40°F

4°C

Humidity 79%
Wind Speed W 6 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 12 Mar 6:54 pm EDT
Extended Forecast for

Arnold MD

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 53. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 53 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Southwest wind 10 to 15 mph, with gusts as high as 29 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 55. West wind 9 to 13 mph, with gusts as high as 21 mph.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers
    Likely then
    Showers

  • Monday

    Monday: Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 100%.

    High: 66 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 18 mph.
Friday
Increasing clouds, with a high near 53. Breezy, with a south wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 34 mph.
Friday Night
Mostly clear, with a low around 42. Southwest wind 10 to 15 mph, with gusts as high as 29 mph.
Saturday
Mostly sunny, with a high near 55. West wind 9 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly cloudy, with a low around 41. Light and variable wind.
Sunday
Mostly cloudy, with a high near 58.
Sunday Night
Showers. Low around 51. Chance of precipitation is 90%.
Monday
Showers, with thunderstorms also possible after 2pm. High near 66. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 31. Chance of precipitation is 80%.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 48.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.04°N 76.51°W (Elev. 98 ft)
Last Update:
4:53 pm EDT Mar 12, 2026
Forecast Valid:
7pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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