Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 23 Jul 3:52 am EDT
Extended Forecast for

Herndon VASimilar City Names

  • Overnight

    Overnight: A slight chance of showers before 5am.  Mostly cloudy, with a low around 70. Light southwest wind.  Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Scattered showers, mainly after 5pm.  Partly sunny, with a high near 90. Light northwest wind.  Chance of precipitation is 30%.

    High: 90 °F

    Mostly Cloudy
    then
    Scattered
    Showers

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then scattered showers after 5am.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 72 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Scattered showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 86. Southwest wind 3 to 5 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am.  Mostly cloudy, with a low around 72. South wind 3 to 5 mph.  Chance of precipitation is 60%.

    Low: 72 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 85. Chance of precipitation is 70%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm.  Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers before 5am. Mostly cloudy, with a low around 70. Light southwest wind. Chance of precipitation is 20%.
Tuesday
Scattered showers, mainly after 5pm. Partly sunny, with a high near 90. Light northwest wind. Chance of precipitation is 30%.
Tuesday Night
Scattered showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 5am, then scattered showers after 5am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Scattered showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 86. Southwest wind 3 to 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 72. South wind 3 to 5 mph. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 66.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 68.
Monday
Mostly sunny, with a high near 91.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Herndon VASimilar City Names
 38.97°N 77.38°W (Elev. 354 ft)
4:30 am EDT Jul 23, 2024
4am EDT Jul 23, 2024-6pm EDT Jul 29, 2024
 
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Additional Resources

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