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

76°F

24°C

Humidity 69%
Wind Speed N 7 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Sep 10:54 pm EDT
Extended Forecast for

Mayo MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 65. Northeast wind 11 to 13 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 78. Northeast wind 8 to 13 mph.

    High: 78 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. East wind 9 to 11 mph.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 81 °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 chance of showers after 2am. Mostly cloudy, with a low around 68. South wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 68 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.

    High: 75 °F

    Chance
    Showers

  • Monday Night

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

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 65. Northeast wind 11 to 13 mph.
Saturday
Partly sunny, with a high near 78. Northeast wind 8 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 68. East wind 9 to 11 mph.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 81. South wind 10 to 15 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
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 68. South wind 7 to 9 mph becoming northwest after midnight. Chance of precipitation is 70%.
Monday
A chance of showers. Mostly cloudy, with a high near 75. Chance of precipitation is 50%.
Monday Night
A chance of showers. Cloudy, with a low around 64. Chance of precipitation is 50%.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Friday
A slight chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mayo MD
 38.88°N 76.51°W (Elev. 3 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