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

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

74°F

23°C

Humidity 46%
Wind Speed SW 13 G 21 mph
Barometer 29.74 in (1008.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 26 Mar 8:56 pm EDT
Extended Forecast for

Barnesville MD

  • Tonight

    Tonight: Rain likely, mainly after 5am. Mostly cloudy, with a low around 48. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Mostly Cloudy
    then Rain
    Likely

  • Friday

    Friday: Rain. Temperature falling to around 48 by 4pm. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F⇓

    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 45. Northwest wind around 13 mph, with gusts as high as 22 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Light and variable wind becoming southwest around 5 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.

    Low: 51 °F

    Chance Rain

Detailed Forecast

Tonight
Rain likely, mainly after 5am. Mostly cloudy, with a low around 48. Southwest wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. Temperature falling to around 48 by 4pm. North wind 11 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of rain, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31. North wind 6 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 45. Northwest wind around 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 30. Light and variable wind becoming southwest around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 63.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Tuesday
A chance of rain. Partly sunny, with a high near 69. Chance of precipitation is 40%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Wednesday
A chance of rain. Partly sunny, with a high near 74. Chance of precipitation is 40%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 58. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 77. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Barnesville MD
 39.21°N 77.37°W (Elev. 499 ft)
Last Update:
7:54 pm EDT Mar 26, 2026
Forecast Valid:
9pm EDT Mar 26, 2026-6pm EDT Apr 2, 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