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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

18°C

65°F

Humidity 93%
Wind Speed Calm
Barometer 1015.9 mb (29.97 in)
Dewpoint 17°C (63°F)
Visibility 16 km
Last update 4 Jun 12:56 am EDT
Extended Forecast for

Rossmoor MD

  • Overnight

    Overnight: Mostly clear, with a low around 18. Calm wind.

    Low: 18 °C

    Mostly Clear

  • Tuesday

    Tuesday: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 30. Light northeast wind becoming east 6 to 11 km/h in the morning. Chance of precipitation is 20%.

    High: 30 °C

    Sunny then
    Isolated
    T-storms

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms before 8pm, then isolated showers after 2am. Increasing clouds, with a low around 19. Southeast wind 5 to 11 km/h. Chance of precipitation is 20%.

    Low: 19 °C

    Mostly Cloudy
    then Isolated
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 28. South wind 8 to 14 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 28 °C

    Chance
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 21. South wind 11 to 13 km/h. Chance of precipitation is 80%.

    Low: 21 °C

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 30. Chance of precipitation is 40%.

    High: 30 °C

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 18. Chance of precipitation is 30%.

    Low: 18 °C

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 14.

    Low: 14 °C

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 18. Calm wind.
Tuesday
Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 30. Light northeast wind becoming east 6 to 11 km/h in the morning. Chance of precipitation is 20%.
Tuesday Night
Isolated showers and thunderstorms before 8pm, then isolated showers after 2am. Increasing clouds, with a low around 19. Southeast wind 5 to 11 km/h. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 28. South wind 8 to 14 km/h. Chance of precipitation is 80%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday Night
Showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 21. South wind 11 to 13 km/h. Chance of precipitation is 80%.
Thursday
A chance of showers and thunderstorms before 11am, then a chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 30. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 18. Chance of precipitation is 30%.
Friday
Sunny, with a high near 27.
Friday Night
Mostly clear, with a low around 14.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A chance of showers. Mostly sunny, with a high near 27. Chance of precipitation is 30%.
Sunday Night
A chance of showers. Partly cloudy, with a low around 16. Chance of precipitation is 30%.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 27. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Rossmoor MD
 39.09°N 77.08°W (Elev. 440 m)
Last Update:
1:30 am EDT Jun 4, 2024
Forecast Valid:
1am EDT Jun 4, 2024-6pm EDT Jun 10, 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