Severe Thunderstorms and Flash Flooding Possible Through the Holiday Weekend

Severe thunderstorms, heavy rainfall, and additional flash flooding will remain possible across much of the central U.S. and into parts of the Ohio Valley and Mid Atlantic through Monday. Elsewhere, cool and unsettled weather will persist over the West, while record high temperatures are expected in the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

78°F

26°C

Humidity 62%
Wind Speed SE 8 mph
Barometer 30.07 in (1020.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 25 May 5:56 pm EDT
Extended Forecast for

Gaithersburg MD

  • Tonight

    Tonight: Scattered showers and thunderstorms before 3am, then isolated showers.  Mostly cloudy, with a low around 67. South wind 6 to 11 mph.  Chance of precipitation is 40%.

    Scattered
    T-storms then
    Scattered
    Showers

    Low: 67 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms after 3pm.  Partly sunny, with a high near 88. West wind 6 to 9 mph.  Chance of precipitation is 50%.

    Mostly Sunny
    then Chance
    T-storms

    High: 88 °F

  • Sunday
    Night

    Sunday Night: Showers and thunderstorms likely before midnight, then a chance of showers.  Mostly cloudy, with a low around 67. Northwest wind 5 to 10 mph becoming light  after midnight.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    T-storms
    Likely then
    Chance
    Showers

    Low: 67 °F

  • Memorial
    Day

    Memorial Day: A slight chance of showers before 3pm.  Cloudy, then gradually becoming mostly sunny, with a high near 82. North wind 3 to 6 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 82 °F

  • Monday
    Night

    Monday Night: A chance of showers after 3am.  Mostly cloudy, with a low around 66. Light and variable wind.  Chance of precipitation is 30%.

    Mostly Cloudy
    then Chance
    Showers

    Low: 66 °F

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 9am.  Mostly cloudy, with a high near 88. Chance of precipitation is 30%.

    Chance
    Showers then
    Slight Chance
    T-storms

    High: 88 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Partly Cloudy

    Low: 69 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 92.

    Mostly Sunny

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 71.

    Partly Cloudy

    Low: 71 °F

Detailed Forecast

Tonight
Scattered showers and thunderstorms before 3am, then isolated showers. Mostly cloudy, with a low around 67. South wind 6 to 11 mph. Chance of precipitation is 40%.
Sunday
A chance of showers and thunderstorms after 3pm. Partly sunny, with a high near 88. West wind 6 to 9 mph. Chance of precipitation is 50%.
Sunday Night
Showers and thunderstorms likely before midnight, then a chance of showers. Mostly cloudy, with a low around 67. Northwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
A slight chance of showers before 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. North wind 3 to 6 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers after 3am. Mostly cloudy, with a low around 66. Light and variable wind. Chance of precipitation is 30%.
Tuesday
A chance of showers, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 92.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
A chance of showers after 9am. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 80. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 82.
Click Map For Forecast
Point Forecast:
Gaithersburg MD
 39.13°N 77.21°W (Elev. 404 ft)
4:32 pm EDT May 25, 2019
6pm EDT May 25, 2019-6pm EDT Jun 1, 2019
 
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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