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

Baltimore, Inner Harbor (KDMH)

Lat: 39.28°NLon: 76.62°WElev: 20ft.

61°F

16°C

Humidity 48%
Wind Speed NA
Barometer 29.85 in (1010.8 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 21 Mar 6:53 pm EDT
Extended Forecast for

Riderwood MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Calm wind becoming south around 6 mph after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 77. Southwest wind 5 to 9 mph.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 46. North wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm. High near 55. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers then
    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. North wind 6 to 9 mph.

    Low: 32 °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 36.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. Calm wind becoming south around 6 mph after midnight.
Sunday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 77. Southwest wind 5 to 9 mph.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 46. North wind 6 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and possibly a thunderstorm before 8am, then a chance of rain between 8am and 2pm. High near 55. Northwest wind 13 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 32. North wind 6 to 9 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Friday
A chance of rain. Partly sunny, with a high near 55. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Riderwood MD
 39.4°N 76.62°W (Elev. 404 ft)
Last Update:
6:07 pm EDT Mar 21, 2026
Forecast Valid:
7pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
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