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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Baltimore, Baltimore-Washington International Airport (KBWI)

Lat: 39.17°NLon: 76.68°WElev: 135ft.

A Few Clouds

72°F

22°C

Humidity 68%
Wind Speed N 3 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 18 Sep 10:54 pm EDT
Extended Forecast for

Linthicum MD

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Northeast wind around 9 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. Northeast wind 8 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Isolated showers after 2am. Mostly cloudy, with a low around 67. Southeast wind around 9 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. South wind 8 to 13 mph. Chance of precipitation is 50%.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind around 7 mph becoming north after midnight. Chance of precipitation is 70%.

    Low: 65 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

    Low: 60 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Northeast wind around 9 mph.
Saturday
Partly sunny, with a high near 79. Northeast wind 8 to 10 mph.
Saturday Night
Isolated showers after 2am. Mostly cloudy, with a low around 67. Southeast wind around 9 mph. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 5pm. Mostly cloudy, with a high near 83. South wind 8 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 65. Southwest wind around 7 mph becoming north after midnight. Chance of precipitation is 70%.
Monday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 75. Chance of precipitation is 40%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 70. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Linthicum MD
 39.21°N 76.65°W (Elev. 148 ft)
Last Update:
10:53 pm EDT Sep 18, 2026
Forecast Valid:
11pm EDT Sep 18, 2026-6pm EDT Sep 25, 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