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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

54°F

12°C

Humidity 75%
Wind Speed N 17 G 24 mph
Barometer 30.14 in (1021.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 17 Oct 8:56 am EDT
Extended Forecast for

The Plains VA

Frost Advisory October 18, 01:00am until October 18, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: A slight chance of showers before 11am. Cloudy early, then gradual clearing, with a high near 54. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: Areas of frost after 4am. Otherwise, clear, with a low around 34. North wind 7 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Northeast wind around 7 mph.

    High: 56 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. North wind 6 to 9 mph.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers before 11am. Cloudy early, then gradual clearing, with a high near 54. North wind 16 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 34. North wind 7 to 10 mph, with gusts as high as 20 mph.
Sunday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Northeast wind around 7 mph.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Monday
Sunny, with a high near 60. North wind 6 to 9 mph.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
The Plains VA
 38.87°N 77.74°W (Elev. 699 ft)
Last Update:
8:13 am EDT Oct 17, 2026
Forecast Valid:
9am EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation