Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

A Few Clouds

78°F

26°C

Humidity 40%
Wind Speed SW 13 G 22 mph
Barometer 29.80 in (1010.1 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Mar 5:56 pm EDT
Extended Forecast for

Olney MD

  • Tonight

    Tonight: A slight chance of rain before 3am, then a chance of rain after 4am.  Increasing clouds, with a low around 48. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.  Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Friday

    Friday: Rain.  Temperature falling to around 48 by 5pm. North wind 11 to 13 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: 59 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain, mainly before 8pm.  Mostly cloudy, with a low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Light northwest wind.

    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 64.

    High: 64 °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
A slight chance of rain before 3am, then a chance of rain after 4am. Increasing clouds, with a low around 48. Southwest wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Friday
Rain. Temperature falling to around 48 by 5pm. North wind 11 to 13 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, with a low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 46. Northwest wind around 11 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 30. Light northwest wind.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Partly sunny, with a high near 64.
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 78. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
4:55 pm EDT Mar 26, 2026
6pm EDT Mar 26, 2026-6pm EDT Apr 2, 2026
 
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