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

Showers and Thunderstorms in the Southwest and Ohio Valley; Mountain Snow in the Northeast

Showers and thunderstorms, along with high-elevation snow, will begin to develop over parts of the Southwest late tonight and is expected to continue through Wednesday morning. Mountain snow over parts the Northeast will continue through Tuesday. A few strong to severe storms and heavy rainfall are possible across portions of the Lower Ohio Valley Tuesday. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

38°F

3°C

Humidity 51%
Wind Speed W 3 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 18 Nov 12:54 am EST
Extended Forecast for

Herald Harbor MD

  • Overnight

    Overnight: Mostly clear, with a low around 30. Light west wind.

    Low: 30 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain, mainly after 5pm. Increasing clouds, with a high near 49. West wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Patchy fog after 9pm. Low around 40. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of rain before 7am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain
    and Patchy
    Fog then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: A chance of rain before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Light west wind.
Tuesday
A chance of rain, mainly after 5pm. Increasing clouds, with a high near 49. West wind 3 to 6 mph. Chance of precipitation is 30%.
Tuesday Night
Rain. Patchy fog after 9pm. Low around 40. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of rain before 7am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 52. Calm wind becoming northeast around 6 mph in the morning. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 42. Light northeast wind.
Thursday
Cloudy, with a high near 53.
Thursday Night
A chance of rain after 1am. Cloudy, with a low around 46. Chance of precipitation is 30%.
Friday
A chance of rain before 1pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Saturday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 40%.
Saturday Night
A chance of rain. Partly cloudy, with a low around 37. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Herald Harbor MD
 39.04°N 76.57°W (Elev. 7 ft)
Last Update:
12:53 am EST Nov 18, 2025
Forecast Valid:
1am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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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