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.

Fair

50°F

10°C

Humidity 43%
Wind Speed Vrbl 5 mph
Barometer 29.80 in (1010.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 13 Mar 11:56 pm EDT
Extended Forecast for

2 Miles SW North Potomac MD

  • Overnight

    Overnight: Mostly clear, with a low around 40. West wind 11 to 14 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 55. West wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Monday

    Monday: Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy. Chance of precipitation is 100%.

    High: 69 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 40. West wind 11 to 14 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 55. West wind 10 to 15 mph, with gusts as high as 26 mph.
Saturday Night
Mostly cloudy, with a low around 38. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday Night
Rain. Low around 52. Southeast wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Monday
Rain before 8am, then showers likely between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 69. Breezy. Chance of precipitation is 100%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 22.
Wednesday
Partly sunny, with a high near 43.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 36.
Friday
Partly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW North Potomac MD
 39.07°N 77.28°W (Elev. 299 ft)
Last Update:
10:53 pm EDT Mar 13, 2026
Forecast Valid:
12am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation