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.

Overcast

62°F

17°C

Humidity 93%
Wind Speed SE 7 mph
Barometer 29.99 in (1016.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 May 10:56 am EDT
Extended Forecast for

Olney MD

  • Today

    Today: Showers likely, mainly before 5pm. Cloudy, with a high near 63. Southeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers before 11pm, then isolated showers after 2am. Cloudy, with a low around 56. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 73. Northeast wind 5 to 7 mph.

    High: 73 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. East wind 3 to 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

Today
Showers likely, mainly before 5pm. Cloudy, with a high near 63. Southeast wind around 8 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Scattered showers before 11pm, then isolated showers after 2am. Cloudy, with a low around 56. Northeast wind 3 to 6 mph. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 73. Northeast wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 55. East wind 3 to 5 mph.
Monday
Mostly sunny, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.14°N 77.1°W (Elev. 449 ft)
Last Update:
10:29 am EDT May 18, 2024
Forecast Valid:
11am EDT May 18, 2024-6pm EDT May 24, 2024
 
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