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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

60°F

16°C

Humidity 86%
Wind Speed Calm
Barometer 29.72 in (1007.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 May 1:56 am EDT
Extended Forecast for

Derwood MD

  • Overnight

    Overnight: Mostly cloudy, with a low around 64. Light northwest wind.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely, mainly between 7am and 11am. Cloudy, with a high near 69. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Cloudy, with a low around 55. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, mainly after 2pm. Cloudy, with a high near 59. Northeast wind 8 to 11 mph becoming northwest in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Northwest wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Showers
    Likely

  • Saturday

    Saturday: A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 64. Chance of precipitation is 40%.

    High: 64 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 50%.

    High: 65 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 47. Chance of precipitation is 30%.

    Low: 47 °F

    Chance
    T-storms then
    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 64. Light northwest wind.
Thursday
Showers likely, mainly between 7am and 11am. Cloudy, with a high near 69. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms after 11pm. Cloudy, with a low around 55. Southeast wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely, mainly after 2pm. Cloudy, with a high near 59. Northeast wind 8 to 11 mph becoming northwest in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Northwest wind 7 to 9 mph. Chance of precipitation is 60%.
Saturday
A slight chance of showers before 8am, then a chance of showers after 2pm. Partly sunny, with a high near 64. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 65. Chance of precipitation is 50%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 47. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
A chance of showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 72. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 348 ft)
Last Update:
2:02 am EDT May 9, 2024
Forecast Valid:
2am EDT May 9, 2024-6pm EDT May 15, 2024
 
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