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.

Light Rain

58°F

14°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 29.80 in (1010.3 mb)
Dewpoint 58°F (14°C)
Visibility 9.00 mi
Last update 15 May 3:56 am EDT
Extended Forecast for

Potomac MD

  • Overnight

    Overnight: Showers. Patchy fog. Low around 59. East wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: Showers, mainly before 2pm. Patchy fog. High near 64. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 64 °F

    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 56. North wind around 7 mph. Chance of precipitation is 30%.

    Low: 56 °F

    Scattered
    Showers

  • Thursday

    Thursday: A slight chance of showers after 8am. Mostly cloudy, with a high near 70. North wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 70 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northeast wind 3 to 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 76.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers. Patchy fog. Low around 59. East wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers, mainly before 2pm. Patchy fog. High near 64. East wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 56. North wind around 7 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers after 8am. Mostly cloudy, with a high near 70. North wind 9 to 11 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 57. Northeast wind 3 to 7 mph.
Friday
Partly sunny, with a high near 76.
Friday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Saturday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 69. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 57.
Monday
Partly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
A chance of showers. Mostly sunny, with a high near 78. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Potomac MD
 39.02°N 77.2°W (Elev. 381 ft)
Last Update:
1:59 am EDT May 15, 2024
Forecast Valid:
4am EDT May 15, 2024-6pm EDT May 21, 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