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

60°F

16°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.67 in (1005.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 23 Mar 2:56 am EDT
Extended Forecast for

Rockville MD

  • Overnight

    Overnight: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 52. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers

  • Monday

    Monday: Showers, mainly before 10am. High near 57. North wind 8 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 57 °F

    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50. North wind around 6 mph becoming calm in the morning.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Mostly Cloudy
    then Rain
    Likely

Detailed Forecast

Overnight
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after 4am. Low around 52. North wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers, mainly before 10am. High near 57. North wind 8 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 50. North wind around 6 mph becoming calm in the morning.
Tuesday Night
Mostly cloudy, with a low around 36. Calm wind becoming south around 5 mph after midnight.
Wednesday
Mostly sunny, with a high near 59.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly cloudy, with a high near 70.
Thursday Night
Rain likely after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 60. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 31.
Saturday
Sunny, with a high near 48.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockville MD
 39.08°N 77.16°W (Elev. 430 ft)
Last Update:
2:23 am EDT Mar 23, 2026
Forecast Valid:
3am EDT Mar 23, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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