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

42°F

6°C

Humidity 45%
Wind Speed NW 9 mph
Barometer 30.10 in (1019.6 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 12 Mar 8:54 pm EDT
Extended Forecast for

Arnold MD

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 3 to 7 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 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 53 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. Southwest wind 9 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. West wind 3 to 7 mph.
Friday
Increasing clouds, with a high near 53. Breezy, with a south wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night
Mostly clear, with a low around 42. Southwest wind 9 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 42.
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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.06°N 76.51°W (Elev. 56 ft)
Last Update:
9:17 pm EDT Mar 12, 2026
Forecast Valid:
9pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation