Nestor Bringing Impacts to the Southeast; Strong Cold Front in the West

Post-tropical Storm Nestor will produce heavy rain with the potential for flash flooding, storm surge up to 4 feet, strong winds, and severe thunderstorms over Florida and parts of the Southeast. In the West, a cold front will produce mountain snow and strong winds. Fire weather threats remain critical in portions of southern California, the Great Basin, and High Plains. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

17°C

63°F

Humidity 45%
Wind Speed SW 11 km/h
Barometer 1019.0 mb (30.04 in)
Dewpoint 5°C (41°F)
Visibility 16 km
Last update 19 Oct 3:56 pm EDT
Extended Forecast for

Derwood MD

  • Tonight

    Tonight: Rain likely, mainly after 5am.  Increasing clouds, with a low around 10. Southeast wind 8 to 10 km/h.  Chance of precipitation is 60%. New precipitation amounts of less than 1 mm possible.

    Mostly Cloudy
    then Rain
    Likely

    Low: 10 °C

  • Sunday

    Sunday: Rain, mainly before 2pm.  High near 15. North wind 8 to 18 km/h.  Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.

    Rain

    High: 15 °C

  • Sunday
    Night

    Sunday Night: A slight chance of rain before 2am.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 8. North wind 5 to 13 km/h.  Chance of precipitation is 20%.

    Slight Chance
    Rain and
    Patchy Fog

    Low: 8 °C

  • Monday

    Monday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 20. Calm wind becoming southeast 5 to 8 km/h in the afternoon.

    Patchy Fog
    then Mostly
    Sunny

    High: 20 °C

  • Monday
    Night

    Monday Night: A slight chance of showers after 2am.  Mostly cloudy, with a low around 13. Southeast wind 5 to 10 km/h.  Chance of precipitation is 20%.

    Mostly Cloudy
    then Slight
    Chance
    Showers

    Low: 13 °C

  • Tuesday

    Tuesday: Showers likely, mainly after 8am.  Cloudy, with a high near 19. Chance of precipitation is 70%.

    Showers
    Likely

    High: 19 °C

  • Tuesday
    Night

    Tuesday Night: A chance of showers.  Partly cloudy, with a low around 8. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 8 °C

  • Wednesday

    Wednesday: Sunny, with a high near 18.

    Sunny

    High: 18 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 6.

    Mostly Clear

    Low: 6 °C

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Increasing clouds, with a low around 10. Southeast wind 8 to 10 km/h. Chance of precipitation is 60%. New precipitation amounts of less than 1 mm possible.
Sunday
Rain, mainly before 2pm. High near 15. North wind 8 to 18 km/h. Chance of precipitation is 80%. New precipitation amounts between 1 and 2.5 mm possible.
Sunday Night
A slight chance of rain before 2am. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 8. North wind 5 to 13 km/h. Chance of precipitation is 20%.
Monday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 20. Calm wind becoming southeast 5 to 8 km/h in the afternoon.
Monday Night
A slight chance of showers after 2am. Mostly cloudy, with a low around 13. Southeast wind 5 to 10 km/h. Chance of precipitation is 20%.
Tuesday
Showers likely, mainly after 8am. Cloudy, with a high near 19. Chance of precipitation is 70%.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 8. Chance of precipitation is 30%.
Wednesday
Sunny, with a high near 18.
Wednesday Night
Mostly clear, with a low around 6.
Thursday
Sunny, with a high near 19.
Thursday Night
Mostly clear, with a low around 9.
Friday
A chance of showers. Mostly sunny, with a high near 18. Chance of precipitation is 30%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 9. Chance of precipitation is 50%.
Saturday
A chance of showers. Partly sunny, with a high near 14. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Derwood MD
 39.12°N 77.13°W (Elev. 106 m)
1:30 pm EDT Oct 19, 2019
4pm EDT Oct 19, 2019-6pm EDT Oct 26, 2019
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database