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

Hazardous Weather Conditions

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

84°F

29°C

Humidity 80%
Wind Speed SE 10 mph
Barometer 29.99 in (1015.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 28 Jun 5:54 pm EDT
Extended Forecast for

Arnold MD

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 74 °F

    Chance
    T-storms then
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.

    High: 91 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 92. Chance of precipitation is 80%.

    High: 92 °F

    Slight Chance
    T-storms then
    Heavy Rain

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 72. Chance of precipitation is 80%.

    Low: 72 °F

    Heavy Rain
    then Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind becoming east around 5 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. South wind around 6 mph. Chance of precipitation is 60%.
Tuesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. Some of the storms could produce heavy rainfall. High near 92. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Some of the storms could produce heavy rainfall. Low around 72. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 71.
Independence Day
Sunny, with a high near 87.
Friday Night
Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arnold MD
 39.06°N 76.51°W (Elev. 56 ft)
Last Update:
4:29 pm EDT Jun 28, 2025
Forecast Valid:
6pm EDT Jun 28, 2025-6pm EDT Jul 5, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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