River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Light Rain

64°F

18°C

Humidity NA
Wind Speed S 7 mph
Barometer 29.93 in (1014.5 mb)
Dewpoint N/A
Visibility 10.00 mi
Last update 5 Nov 5:56 am EST
Extended Forecast for

Ashton-Sandy Spring MD

  • Today

    Today: A chance of showers before 10am, then a slight chance of showers after 4pm.  Mostly cloudy, with a high near 73. South wind 8 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 30%.

    High: 73 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly between 11pm and 5am.  Mostly cloudy, with a low around 58. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Friday

    Friday: A chance of showers, mainly before 2pm.  Cloudy, then gradually becoming mostly sunny, with a high near 67. North wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 26 mph.

    High: 60 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

Detailed Forecast

Today
A chance of showers before 10am, then a slight chance of showers after 4pm. Mostly cloudy, with a high near 73. South wind 8 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Tonight
A chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 58. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A chance of showers, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 67. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 46. Calm wind becoming northwest 5 to 9 mph after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 60. West wind 10 to 14 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 39.
Veterans Day
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Ashton-Sandy Spring MD
 39.15°N 77.01°W (Elev. 449 ft)
3:53 am EST Nov 5, 2026
6am EST Nov 5, 2026-6pm EST Nov 11, 2026
 
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Additional Resources

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