Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fog

73°F

23°C

Humidity NA
Wind Speed Calm
Barometer 29.97 in (1015.7 mb)
Dewpoint N/A
Visibility 0.50 mi
Last update 18 Jun 7:56 am EDT
Extended Forecast for

Gaithersburg MD

  • Today

    Today: Showers and thunderstorms likely, mainly between 2pm and 4pm.  Partly sunny, with a high near 87. Light and variable wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 87 °F

    Partly Sunny
    then T-storms
    Likely

  • Tonight

    Tonight: Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 72 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A slight chance of showers, then showers and possibly a thunderstorm after 2pm.  High near 92. Southwest wind 6 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Slight Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am.  Low around 65. Northwest wind 6 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    T-storms then
    Slight Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84. Northwest wind around 7 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 87. Light and variable wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Mostly clear, with a low around 72. Southwest wind around 5 mph becoming calm in the evening.
Juneteenth
A slight chance of showers, then showers and possibly a thunderstorm after 2pm. High near 92. Southwest wind 6 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 65. Northwest wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 84. Northwest wind around 7 mph.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 89.
Saturday Night
Mostly clear, with a low around 71.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 77.
Tuesday
Sunny and hot, with a high near 98.
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ABOUT THIS FORECAST

 
Point Forecast:
Gaithersburg MD
 39.15°N 77.21°W (Elev. 443 ft)
7:31 am EDT Jun 18, 2025
8am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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Additional Resources

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