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Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

24°F

-4°C

Humidity 88%
Wind Speed SE 3 mph
Barometer 30.15 in (1022.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 13 Mar 5:56 am EDT
Extended Forecast for

Olney MD

  • Today

    Today: Increasing clouds, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 52 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 38. West wind 11 to 17 mph, with gusts as high as 28 mph.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54. West wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Light and variable wind becoming east around 5 mph after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers. Low around 51. Chance of precipitation is 90%.

    Low: 51 °F

    Showers

  • Monday

    Monday: Showers. High near 68. Breezy. Chance of precipitation is 100%.

    High: 68 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Low around 30. Breezy. Chance of precipitation is 80%.

    Low: 30 °F

    Showers and
    Breezy then
    Rain/Snow
    Likely

  • Tuesday

    Tuesday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 39. Chance of precipitation is 30%.

    High: 39 °F

    Chance
    Rain/Snow
    then Partly
    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 39 mph.
Tonight
Mostly clear, with a low around 38. West wind 11 to 17 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny, with a high near 54. West wind 10 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 39. Light and variable wind becoming east around 5 mph after midnight.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Showers. Low around 51. Chance of precipitation is 90%.
Monday
Showers. High near 68. Breezy. Chance of precipitation is 100%.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Low around 30. Breezy. Chance of precipitation is 80%.
Tuesday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 39. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 24.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
Last Update:
4:53 am EDT Mar 13, 2026
Forecast Valid:
6am EDT Mar 13, 2026-6pm EDT Mar 19, 2026
 
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