National Weather Service Forecast for:
McLean VA Issued by: National Weather Service Baltimore, MD/Washington, D.C. |
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Updated: 10:29 pm EDT Jul 24, 2025 | ||||||||||||||||||
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Tonight |
Clear, with a low around 74. Southwest wind around 7 mph. |
Friday |
A chance of showers and thunderstorms, mainly between 2pm and 5pm. Increasing clouds and hot, with a high near 98. Heat index values as high as 109. West wind 3 to 8 mph. Chance of precipitation is 30%. |
Friday Night |
A chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 77. Northwest wind around 6 mph. Chance of precipitation is 30%. |
Saturday |
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Heat index values as high as 100. North wind around 6 mph. Chance of precipitation is 40%. |
Saturday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 75. Light southeast wind. Chance of precipitation is 30%. |
Sunday |
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 60%. |
Sunday Night |
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 76. Chance of precipitation is 60%. |
Monday |
Sunny, with a high near 94. |
Monday Night |
Mostly clear, with a low around 76. |
Tuesday |
Mostly sunny and hot, with a high near 98. |
Tuesday Night |
Mostly clear, with a low around 75. |
Wednesday |
Mostly sunny and hot, with a high near 97. |
Wednesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
Thursday |
A chance of showers. Partly sunny, with a high near 87. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for McLean VA.