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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

49°F

9°C

Humidity 90%
Wind Speed Calm
Barometer 30.21 in (1024.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 25 Sep 2:56 am EDT
Extended Forecast for

2 Miles ENE Rockville MD

  • Overnight

    Overnight: Partly cloudy, with a low around 48. North wind around 7 mph.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54. North wind around 11 mph, with gusts as high as 24 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain before 2pm, then a slight chance of rain after 5pm. Partly sunny, with a high near 68. North wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    High: 68 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain. Mostly cloudy, with a low around 56. Northwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.

    High: 66 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. North wind around 7 mph.
Friday
Mostly sunny, with a high near 72. North wind 10 to 15 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 54. North wind around 11 mph, with gusts as high as 24 mph.
Saturday
A chance of rain before 2pm, then a slight chance of rain after 5pm. Partly sunny, with a high near 68. North wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 56. Northwest wind around 11 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Mostly cloudy, with a high near 70.
Monday Night
Mostly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 79.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Rockville MD
 39.1°N 77.13°W (Elev. 400 ft)
Last Update:
2:22 am EDT Sep 25, 2026
Forecast Valid:
3am EDT Sep 25, 2026-6pm EDT Oct 1, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation