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

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Overcast

66°F

19°C

Humidity 84%
Wind Speed E 7 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Sep 2:54 am EDT
Extended Forecast for

Severn MD

  • Overnight

    Overnight: Cloudy, with a low around 64. East wind around 6 mph.

    Low: 64 °F

    Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind around 7 mph.

    High: 74 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 58. East wind around 6 mph becoming calm after midnight.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 63. South wind 3 to 5 mph.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 64. East wind around 6 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 74. East wind around 7 mph.
Sunday Night
Partly cloudy, with a low around 58. East wind around 6 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 63. South wind 3 to 5 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Tuesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Wednesday
A chance of showers after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 73. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Severn MD
 39.13°N 76.73°W (Elev. 236 ft)
Last Update:
1:29 am EDT Sep 21, 2025
Forecast Valid:
3am EDT Sep 21, 2025-6pm EDT Sep 27, 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