Autumn Temperatures for Eastern Third of the Country; Developing Offshore Coastal Storm

Cooler and less humid conditions for most of the eastern third of the nation as high pressure dominates the weather pattern. Otherwise, rather tranquil weather for most of the nation for the end of the weekend into the start of this week. We continue to monitor a developing coastal storm offshore of the Carolinas; Coastal flooding and beach erosion possible along portions of the Mid-Atlantic. Read More >

Current conditions at

Gaithersburg - Montgomery County Airport (KGAI)

Lat: 39.17°NLon: 77.17°WElev: 495ft.

Fair

42°F

6°C

Humidity 68%
Wind Speed Vrbl 6 mph
Barometer 30.60 in (1038.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 18 Oct 8:56 am EDT
Extended Forecast for

2 Miles SW Potomac MD

  • Today

    Today: Sunny, with a high near 59. North wind around 6 mph.

    High: 59 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 39. Light north wind.

    Low: 39 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 63. North wind 6 to 9 mph.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 45. North wind around 7 mph.

    Low: 45 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. North wind around 10 mph, with gusts as high as 18 mph.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 59. North wind around 6 mph.
Tonight
Clear, with a low around 39. Light north wind.
Monday
Sunny, with a high near 63. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 45. North wind around 7 mph.
Tuesday
Sunny, with a high near 66. North wind around 10 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 47.
Saturday
Sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Potomac MD
 39°N 77.24°W (Elev. 318 ft)
7:53 am EDT Oct 18, 2026
9am EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
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Additional Resources

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