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

Hazardous Weather Conditions

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

Mostly Cloudy

26°C

78°F

Humidity 87%
Wind Speed SE 7 km/h
Barometer 1016.9 mb (30.04 in)
Dewpoint 23°C (74°F)
Visibility 14 km
Heat Index27°C (80°F)
Last update 13 Jul 12:54 am EDT
Extended Forecast for

Severn MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. Calm wind.

    Low: 23 °C

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly between noon and 3pm. Mostly cloudy, with a high near 31. Southeast wind 5 to 10 km/h. Chance of precipitation is 40%.

    High: 31 °C

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. South wind 3 to 8 km/h. Chance of precipitation is 50%.

    Low: 23 °C

    Chance
    T-storms

  • Monday

    Monday: A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 32. South wind 3 to 8 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 32 °C

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%.

    Low: 23 °C

    T-storms
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

    High: 31 °C

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.

    Low: 23 °C

    Showers
    Likely then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.

    High: 32 °C

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.

    Low: 24 °C

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly between noon and 3pm. Mostly cloudy, with a high near 31. Southeast wind 5 to 10 km/h. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. South wind 3 to 8 km/h. Chance of precipitation is 50%.
Monday
A chance of showers, then showers and thunderstorms likely after 11am. Mostly cloudy, with a high near 32. South wind 3 to 8 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 23. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm, mainly after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 24. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 23. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 33. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 32. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Severn MD
 39.14°N 76.69°W (Elev. 148 m)
Last Update:
1:30 am EDT Jul 13, 2025
Forecast Valid:
1am EDT Jul 13, 2025-6pm EDT Jul 19, 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