National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Rain Providing Some Relief to Drought-Stricken Southern U.S.

A storm tracking across the southern U.S. will continue to bring areas of heavy thunderstorms with risks for severe weather and excessive rainfall from Texas to Florida through this weekend. While much of this rainfall will be beneficial to the drought, excessive rainfall may bring areas of flash and urban flooding. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

41°F

5°C

Humidity 67%
Wind Speed W 8 mph
Barometer 29.95 in (1015.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 3 May 1:56 am EDT
Extended Forecast for

Ashton-Sandy Spring MD

  • Overnight

    Overnight: Mostly clear, with a low around 37. Northwest wind around 7 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 62. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 62 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 45. Light southwest wind.

    Low: 45 °F

    Increasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 75. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. South wind around 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 37. Northwest wind around 7 mph.
Sunday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 62. Northwest wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Increasing clouds, with a low around 45. Light southwest wind.
Monday
Sunny, with a high near 75. Southwest wind 5 to 9 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 58. South wind around 7 mph.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Wednesday
Showers, with thunderstorms also possible after 2pm. High near 74. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Thursday
Showers. High near 66. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Friday
A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Saturday
A chance of showers. Partly sunny, with a high near 63. Chance of precipitation is 50%.
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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 ft)
Last Update:
2:23 am EDT May 3, 2026
Forecast Valid:
2am EDT May 3, 2026-6pm EDT May 9, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation