Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Overcast

64°F

18°C

Humidity 100%
Wind Speed Calm
Barometer 29.96 in (1015.8 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Jul 3:56 am EDT
Extended Forecast for

Sandy Spring MD

  • Today

    Today: A chance of thunderstorms after 5pm.  Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 83. Light and variable wind.  Chance of precipitation is 30%.

    High: 83 °F

    Patchy Fog
    then Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am.  Partly cloudy, with a low around 64. Light and variable wind.  Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers and thunderstorms, mainly after 5pm.  Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Light south wind.  Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 11am.  High near 82. South wind 5 to 8 mph.  Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 64. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    High: 80 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
A chance of thunderstorms after 5pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 83. Light and variable wind. Chance of precipitation is 30%.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 64. Light and variable wind. Chance of precipitation is 50%.
Monday
A chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Light south wind. Chance of precipitation is 50%.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. South wind 5 to 8 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 65. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64. Chance of precipitation is 30%.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 67.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sandy Spring MD
 39.16°N 77.04°W (Elev. 469 ft)
2:23 am EDT Jul 26, 2026
4am EDT Jul 26, 2026-6pm EDT Aug 1, 2026
 
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Additional Resources

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