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

60°F

16°C

Humidity 65%
Wind Speed NW 8 mph
Barometer 29.90 in (1012.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Mar 11:54 am EDT
Extended Forecast for

Arnold MD

  • This Afternoon

    This Afternoon: Sunny, with a high near 63. Northeast wind around 7 mph.

    High: 63 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Calm wind becoming south around 6 mph after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 75. South wind 5 to 8 mph.

    High: 75 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 50. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 57. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 57 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 63. Northeast wind around 7 mph.
Tonight
Increasing clouds, with a low around 45. Calm wind becoming south around 6 mph after midnight.
Sunday
Partly sunny, with a high near 75. South wind 5 to 8 mph.
Sunday Night
A chance of rain before 11pm, then a chance of rain and thunderstorms between 11pm and 2am, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 50. South wind around 7 mph becoming northwest after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 57. North wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 60.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 47. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 30%.
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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:
10:53 am EDT Mar 21, 2026
Forecast Valid:
12pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation