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

61°F

16°C

Humidity 27%
Wind Speed Vrbl 3 mph
Barometer 30.59 in (1037.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 18 Oct 1:56 pm EDT
Extended Forecast for

2 Miles NE Potomac MD

Frost Advisory October 19, 01:00am until October 19, 09:00am
Click here for hazard details and duration
Frost Advisory
  • This Afternoon

    This Afternoon: Sunny, with a high near 60. Northeast wind around 6 mph.

    High: 60 °F

    Sunny

  • Tonight

    Tonight: Patchy frost after 5am.  Otherwise, clear, with a low around 36. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 36 °F

    Clear then
    Patchy Frost

  • Monday

    Monday: Patchy frost before 8am.  Otherwise, sunny, with a high near 65. North wind 6 to 9 mph.

    High: 65 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. North wind 6 to 8 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. North wind around 10 mph, with gusts as high as 18 mph.

    High: 67 °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 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 60. Northeast wind around 6 mph.
Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 65. North wind 6 to 9 mph.
Monday Night
Mostly clear, with a low around 46. North wind 6 to 8 mph.
Tuesday
Sunny, with a high near 67. 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 64.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 60.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NE Potomac MD
 39.04°N 77.17°W (Elev. 348 ft)
2:23 pm EDT Oct 18, 2026
2pm EDT Oct 18, 2026-6pm EDT Oct 24, 2026
 
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Additional Resources

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