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

Heavy Rain in the Ohio and Tennessee Valleys; Watching for Tropical Cyclone Development in the Atlantic

Heavy to excessive rainfall may bring areas of flash and urban flooding over portions of the Ohio and Tennessee Valleys. Two tropical waves in the Atlantic are being monitored for tropical cyclone formation within the next few days. One tropical wave will bring periods of heavy rain, thunderstorms, flood risk, and landslides to Puerto Rico and the US Virgin Islands through Friday morning. Read More >

Current conditions at

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Mostly Cloudy

75°F

24°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 30.00 in (1016.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 24 Sep 2:54 pm EDT
Extended Forecast for

Londontowne MD

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Cloudy, with a high near 79. Southeast wind around 6 mph. Chance of precipitation is 30%.

    High: 79 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 79. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 80. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers after 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers. Cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.

    High: 75 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Cloudy, with a high near 79. Southeast wind around 6 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Cloudy, with a low around 68. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers and possibly a thunderstorm, mainly before 3pm, then a chance of showers and thunderstorms after 3pm. High near 79. South wind 6 to 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 67. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 80. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%.
Saturday
A chance of showers after 8am. Mostly cloudy, with a high near 76. Chance of precipitation is 40%.
Saturday Night
A chance of showers. Cloudy, with a low around 64. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday
A chance of showers. Mostly cloudy, with a high near 76. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
Tuesday
A chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Londontowne MD
 38.95°N 76.55°W (Elev. 3 ft)
Last Update:
1:30 pm EDT Sep 24, 2025
Forecast Valid:
3pm EDT Sep 24, 2025-6pm EDT Oct 1, 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