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

Carroll County Regional Jack B Poage Field (KDMW)

Lat: 39.61°NLon: 77.01°WElev: 789ft.

Fog/Mist

70°F

21°C

Humidity 100%
Wind Speed N 2 mph
Barometer 29.89 in
Dewpoint 70°F (21°C)
Visibility 1.25 mi
Last update 18 Aug 1:35 am EDT
Extended Forecast for

Glyndon MD

  • Overnight

    Overnight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 69. Light northwest wind.

    Low: 69 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. North wind 3 to 6 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

    High: 82 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 69. Light northwest wind.
Tuesday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 65. Calm wind.
Wednesday
Sunny, with a high near 85. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
A slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 20%.
Thursday
A slight chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Friday
A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 81. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 80. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 30%.
Monday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glyndon MD
 39.47°N 76.84°W (Elev. 686 ft)
Last Update:
1:15 am EDT Aug 18, 2026
Forecast Valid:
1am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation