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

Hazardous Weather Conditions

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Mostly Cloudy

50°F

10°C

Humidity 54%
Wind Speed Calm
Barometer 30.10 in (1020.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 6 Apr 10:56 pm EDT
Extended Forecast for

Olney MD

Freeze Watch April 8, 12:00am until April 8, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: Mostly clear, with a low around 40. Light west wind.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 37 mph.

    High: 51 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Areas of frost after midnight. Otherwise, mostly clear, with a low around 29. North wind 5 to 10 mph.

    Low: 29 °F

    Mostly Clear
    then Areas
    Frost

  • Wednesday

    Wednesday: Areas of frost before 9am. Otherwise, sunny, with a high near 52. Northeast wind around 7 mph becoming southeast in the afternoon.

    High: 52 °F

    Areas Frost
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Southeast wind 3 to 6 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 40. Light west wind.
Tuesday
Sunny, with a high near 51. Breezy, with a northwest wind 10 to 15 mph increasing to 16 to 21 mph in the morning. Winds could gust as high as 37 mph.
Tuesday Night
Areas of frost after midnight. Otherwise, mostly clear, with a low around 29. North wind 5 to 10 mph.
Wednesday
Areas of frost before 9am. Otherwise, sunny, with a high near 52. Northeast wind around 7 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 33. Southeast wind 3 to 6 mph.
Thursday
Mostly sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 50.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olney MD
 39.16°N 77.06°W (Elev. 486 ft)
Last Update:
10:54 pm EDT Apr 6, 2026
Forecast Valid:
11pm EDT Apr 6, 2026-6pm EDT Apr 13, 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