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

53°F

12°C

Humidity 59%
Wind Speed N 18 G 29 mph
Barometer 30.23 in (1024.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 17 Oct 11:56 am EDT
Extended Forecast for

2 Miles WSW The Plains VA

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

  • This Afternoon

    This Afternoon: Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 18 mph, with gusts as high as 30 mph.

    High: 54 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. North wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 9am. Otherwise, sunny, with a high near 57. Northeast wind 5 to 7 mph.

    High: 57 °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 42.

    Low: 42 °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 45.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, then gradually becoming sunny, with a high near 54. North wind around 18 mph, with gusts as high as 30 mph.
Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. North wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday
Widespread frost before 9am. Otherwise, sunny, with a high near 57. Northeast wind 5 to 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 42.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 42.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW The Plains VA
 38.86°N 77.8°W (Elev. 600 ft)
Last Update:
10:53 am EDT Oct 17, 2026
Forecast Valid:
12pm EDT Oct 17, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

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