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

Camp David (KRSP)

Lat: 39.65°NLon: 77.47°WElev: 1841ft.

Fair

29°F

-2°C

Humidity 54%
Wind Speed W 7 mph
Barometer 30.14 in (1022.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 18 Nov 6:54 am EST
Extended Forecast for

2 Miles SE Unionville MD

  • Today

    Today: A chance of rain, mainly after 4pm. Increasing clouds, with a high near 44. Light southwest wind. Chance of precipitation is 30%.

    High: 44 °F

    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly before 5am. Patchy fog after 8pm. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy, with a high near 48. Calm wind.

    High: 48 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: Cloudy, with a high near 50. Calm wind.

    High: 50 °F

    Cloudy

  • Thursday Night

    Thursday Night: A chance of rain after 1am. Cloudy, with a low around 44. Chance of precipitation is 30%.

    Low: 44 °F

    Cloudy then
    Chance Rain

  • Friday

    Friday: A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
A chance of rain, mainly after 4pm. Increasing clouds, with a high near 44. Light southwest wind. Chance of precipitation is 30%.
Tonight
Rain, mainly before 5am. Patchy fog after 8pm. Low around 38. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Patchy fog before 11am. Otherwise, cloudy, with a high near 48. Calm wind.
Wednesday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 39. Calm wind. Chance of precipitation is 20%.
Thursday
Cloudy, with a high near 50. Calm wind.
Thursday Night
A chance of rain after 1am. Cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Saturday Night
A chance of rain before 1am. Partly cloudy, with a low around 33. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SE Unionville MD
 39.5°N 77.09°W (Elev. 682 ft)
Last Update:
6:52 am EST Nov 18, 2025
Forecast Valid:
7am EST Nov 18, 2025-6pm EST Nov 24, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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