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

Heavy Rainfall Potential for Southern Plains; Cooler and Showery Weather for New England

Showers and thunderstorms will persist again into Monday for portions of the Intermountain West and Southern Plain where the rainfall could be locally heavy. Meanwhile, a coastal low in the Gulf of Maine will keep breezy and showery weather across New England with below normal temperatures. Dry and milder weather is in the forecast for the Pacific Northwest through the first half of the week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

58°F

14°C

Humidity 75%
Wind Speed N 8 mph
Barometer 29.95 in (1013.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 5 Jun 2:52 am EDT
Extended Forecast for

Herndon VA

  • Overnight

    Overnight: Mostly clear, with a low around 51. Northwest wind around 5 mph.

    Mostly Clear

    Low: 51 °F

  • Monday

    Monday: Mostly sunny, with a high near 79. North wind 5 to 8 mph.

    Mostly Sunny

    High: 79 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 56. West wind 3 to 6 mph.

    Mostly Clear

    Low: 56 °F

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Northwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    Sunny then
    Chance
    Showers

    High: 84 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Chance
    Showers then
    Partly Cloudy

    Low: 56 °F

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.

    Mostly Sunny
    then Slight
    Chance
    Showers

    High: 80 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 54.

    Partly Cloudy

    Low: 54 °F

  • Thursday

    Thursday: Sunny, with a high near 79.

    Sunny

    High: 79 °F

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around 53.

    Partly Cloudy

    Low: 53 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 51. Northwest wind around 5 mph.
Monday
Mostly sunny, with a high near 79. North wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 56. West wind 3 to 6 mph.
Tuesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Northwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A slight chance of showers after 2pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Mostly sunny, with a high near 89.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
Last Update:
1:29 am EDT Jun 5, 2023
Forecast Valid:
3am EDT Jun 5, 2023-6pm EDT Jun 11, 2023
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation