Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

44°F

7°C

Humidity 28%
Wind Speed Vrbl 5 mph
Barometer 30.62 in (1038.8 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 8 Apr 10:56 am EDT
Extended Forecast for

Olney MD

  • Today

    Today: Sunny, with a high near 52. Southeast wind around 6 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 3am.  Otherwise, mostly clear, with a low around 33. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear
    then Frost

  • Thursday

    Thursday: Widespread frost, mainly before 7am.  Otherwise, mostly sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 60 °F

    Frost then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Southeast wind around 6 mph.
Tonight
Widespread frost, mainly after 3am. Otherwise, mostly clear, with a low around 33. Southeast wind around 5 mph becoming calm in the evening.
Thursday
Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 40. Southeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 74. Calm wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 81.
Monday Night
Mostly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
10:53 am EDT Apr 8, 2026
11am EDT Apr 8, 2026-6pm EDT Apr 14, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database