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Hazardous Weather Conditions
Current conditions at
Washington/Dulles International Airport, DC (KIAD)
Lat: 38.93°NLon: 77.45°WElev: 312ft.
Mostly Cloudy
88°F
31°C
Humidity | 63% |
Wind Speed | Calm |
Barometer | 30.04 in (1016.7 mb) |
Dewpoint | 74°F (23°C) |
Visibility | 10.00 mi |
Heat Index | 97°F (36°C) |
Last update | 30 Jul 9:52 am EDT |
Extended Forecast for
Sterling VA
Heat Advisory July 30, 11:00am until July 30, 08:00pm
Today
High: 98 °F
Hot
Tonight
Low: 75 °F
Slight Chance
T-stormsThursday
High: 93 °F
Slight Chance
T-storms then
T-stormsThursday Night
Low: 70 °F
T-storms then
Showers
LikelyFriday
High: 78 °F
Chance
Showers then
Showers
LikelyFriday Night
Low: 63 °F
Showers
Likely then
Chance
ShowersSaturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 60 °F
Mostly Clear
Sunday
High: 83 °F
Mostly Sunny
Detailed Forecast
Today
Sunny and hot, with a high near 98. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Tonight
A slight chance of showers and thunderstorms between 10pm and 2am. Mostly clear, with a low around 75. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Thursday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 93. Heat index values as high as 103. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 70. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of 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 78. North wind 7 to 9 mph. Chance of precipitation is 60%.
Friday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 60.
Monday
Mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Sterling VA
38.99°N 77.41°W (Elev. 325 ft)
38.99°N 77.41°W (Elev. 325 ft)
7:29 am EDT Jul 30, 2025
9am EDT Jul 30, 2025-6pm EDT Aug 5, 2025