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

39°F

4°C

Humidity 57%
Wind Speed Calm
Barometer 30.11 in (1019.7 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Nov 9:54 pm EST
Extended Forecast for

Arnold MD

  • Tonight

    Tonight: Mostly clear, with a low around 32. Northwest wind 9 to 11 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 50. West wind 3 to 6 mph.

    High: 50 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain, mainly after 7pm. 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

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52. Light and variable wind becoming north around 6 mph in the morning.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °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: A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 32. Northwest wind 9 to 11 mph.
Tuesday
Increasing clouds, with a high near 50. West wind 3 to 6 mph.
Tuesday Night
Rain, mainly after 7pm. Low around 40. Light southeast wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly cloudy, with a high near 52. Light and variable wind becoming north around 6 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 42. Light northeast wind.
Thursday
Mostly cloudy, with a high near 54.
Thursday Night
A chance of rain after 1am. Cloudy, with a low around 45. 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
A chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Saturday
A chance of rain. Partly sunny, with a high near 56. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 38.
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:
Arnold MD
 39.06°N 76.51°W (Elev. 56 ft)
Last Update:
9:53 pm EST Nov 17, 2025
Forecast Valid:
10pm EST Nov 17, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
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Additional Resources

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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