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

Annapolis, United States Naval Academy (KNAK)

Lat: 38.99°NLon: 76.49°WElev: 3ft.

Fair

78°F

26°C

Humidity 82%
Wind Speed NW 7 mph
Barometer 30.08 in (1018.8 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 18 Sep 8:54 am EDT
Extended Forecast for

2 Miles ENE Londontowne MD

  • Today

    Today: Mostly cloudy, with a high near 85. North wind 6 to 8 mph.

    High: 85 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. North wind 6 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 79. East wind 7 to 9 mph.

    High: 79 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southeast wind 6 to 8 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. South wind 7 to 11 mph. Chance of precipitation is 40%.

    High: 83 °F

    Partly Sunny
    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 slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.

    High: 78 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 85. North wind 6 to 8 mph.
Tonight
Mostly cloudy, with a low around 64. North wind 6 to 8 mph.
Saturday
Partly sunny, with a high near 79. East wind 7 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 67. Southeast wind 6 to 8 mph.
Sunday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 83. South wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Monday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 40%.
Monday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 2am. Cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 50%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.
Thursday
A chance of showers. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Londontowne MD
 38.95°N 76.53°W (Elev. 0 ft)
Last Update:
7:52 am EDT Sep 18, 2026
Forecast Valid:
9am EDT Sep 18, 2026-6pm EDT Sep 24, 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