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

38°F

3°C

Humidity 83%
Wind Speed Calm
Barometer 30.14 in (1020.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Mar 6:54 am EDT
Extended Forecast for

Arnold MD

  • Today

    Today: Increasing clouds, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 65 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 49. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 61. North wind around 7 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Light and variable wind.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 70. South wind 5 to 9 mph.

    High: 70 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance Rain

  • Monday

    Monday: A chance of rain before 2pm. Partly sunny, with a high near 60. Chance of precipitation is 40%.

    High: 60 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Showers likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 49. Southwest wind 6 to 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 61. North wind around 7 mph.
Saturday Night
Partly cloudy, with a low around 45. Light and variable wind.
Sunday
Partly sunny, with a high near 70. South wind 5 to 9 mph.
Sunday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Monday
A chance of rain before 2pm. Partly sunny, with a high near 60. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 55.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.04°N 76.51°W (Elev. 98 ft)
Last Update:
4:53 am EDT Mar 20, 2026
Forecast Valid:
7am EDT Mar 20, 2026-6pm EDT Mar 26, 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