Hazardous Weather Conditions
Current conditions at
Gaithersburg - Montgomery County Airport (KGAI)
Lat: 39.17°NLon: 77.17°WElev: 495ft.
A Few Clouds
82°F
28°C
| Humidity | 77% |
| Wind Speed | W 6 mph |
| Barometer | 29.94 in (1014.8 mb) |
| Dewpoint | 74°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 10 Jul 12:56 pm EDT |
Extended Forecast for
Ashton-Sandy Spring MD
This Afternoon

High: 87 °F
Chance
T-stormsTonight
Low: 69 °F
Chance
T-storms then
Mostly CloudySaturday
High: 83 °F
Mostly Cloudy
then Showers
LikelySaturday Night
Low: 65 °F
Chance
T-storms then
Slight Chance
ShowersSunday

High: 83 °F
Partly Sunny
Sunday Night

Low: 65 °F
Partly Cloudy
Monday

High: 83 °F
Mostly Sunny
Monday Night

Low: 64 °F
Mostly Clear
Tuesday

High: 88 °F
Sunny
Detailed Forecast
This Afternoon
A chance of showers and thunderstorms, mainly after 4pm. Mostly cloudy, with a high near 87. West wind around 7 mph. Chance of precipitation is 40%.
Tonight
A chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Saturday
A slight chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 83. Calm wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. Light northeast wind. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 83. East wind 3 to 5 mph.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 64.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 92.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ashton-Sandy Spring MD
39.15°N 77.01°W (Elev. 449 ft)
39.15°N 77.01°W (Elev. 449 ft)
10:53 am EDT Jul 10, 2026
1pm EDT Jul 10, 2026-6pm EDT Jul 16, 2026



