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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

32°C

90°F

Humidity 32%
Wind Speed S 15 G 33 km/h
Barometer 1010.0 mb (29.81 in)
Dewpoint 13°C (56°F)
Visibility 16 km
Heat Index31°C (88°F)
Last update 16 Apr 3:56 pm EDT
Extended Forecast for

Ashton-Sandy Spring MD

  • Tonight

    Tonight: A chance of showers, mainly after 2am. Increasing clouds, with a low around 19. Southwest wind 10 to 14 km/h becoming northwest in the evening. Winds could gust as high as 32 km/h. Chance of precipitation is 30%.

    Low: 19 °C

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 2pm. Mostly sunny, with a high near 27. Northwest wind around 11 km/h. Chance of precipitation is 30%.

    High: 27 °C

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 16. Calm wind.

    Low: 16 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 29. South wind 5 to 14 km/h.

    High: 29 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 15. Southeast wind 10 to 14 km/h. Chance of precipitation is 60%.

    Low: 15 °C

    Showers
    Likely

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 16. Chance of precipitation is 80%.

    High: 16 °C

    Showers

  • Sunday Night

    Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 3. Chance of precipitation is 30%.

    Low: 3 °C

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 12.

    High: 12 °C

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 1.

    Low: 1 °C

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 2am. Increasing clouds, with a low around 19. Southwest wind 10 to 14 km/h becoming northwest in the evening. Winds could gust as high as 32 km/h. Chance of precipitation is 30%.
Friday
A chance of showers, mainly before 2pm. Mostly sunny, with a high near 27. Northwest wind around 11 km/h. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 16. Calm wind.
Saturday
Mostly sunny, with a high near 29. South wind 5 to 14 km/h.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 15. Southeast wind 10 to 14 km/h. Chance of precipitation is 60%.
Sunday
Showers, mainly before 2pm. High near 16. Chance of precipitation is 80%.
Sunday Night
A chance of showers before 8pm. Partly cloudy, with a low around 3. Chance of precipitation is 30%.
Monday
Sunny, with a high near 12.
Monday Night
Mostly clear, with a low around 1.
Tuesday
Sunny, with a high near 18.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
Mostly sunny, with a high near 23.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton-Sandy Spring MD
 39.15°N 77.01°W (Elev. 449 m)
Last Update:
2:23 pm EDT Apr 16, 2026
Forecast Valid:
4pm EDT Apr 16, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation