Weather for McLean, Virginia
Current Weather
Humidity: 30%
Feels Like: 40.5°F
Wind: WNW 15.9 mph
Wind Gusts: 23.6 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Sun
H: 62°F
L: 42°F
Mon
H: 51°F
L: 35°F
Tue
H: 41°F
L: 32°F
Wed
H: 46°F
L: 37°F
Thu
H: 50°F
L: 44°F
Air Quality
Nitrogen Dioxide: 5.65 μg/m3
Sulphur Dioxide: 4.25 μg/m3
Ozone: 71 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:54 PM
Daylight: 10 hrs 1 mins
Moon Transit: 9:14 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
8:44 AM - 11:14 AM12:00 AM - 12:00 AM
Minor Periods
2:23 PM - 3:53 PM2:57 AM - 4:27 AM
Action Rating: 2 out of 5
Red Flag Warning issued November 16 at 5:55AM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sun November 16, 2025, 5:55 AM
Expires: Sun November 16, 2025, 6:00 PM
* TIMING...Until 6 PM EST this evening. * WINDS...Northwest 20 to 30 mph with gusts up to 50 mph across northern and central Maryland, eastern West Virginia, and northern and northwestern Virginia. Northwest 15 to 25 mph with gusts up to 40 mph across southern Maryland and the central Virginia piedmont. * RELATIVE HUMIDITY...Minimum values of 15 to 30 percent, lowest across the north-central Virginia piedmont. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * FUEL MOISTURE...10-hour fuel moisture around 7 or 8 percent.
A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.
Wind Advisory issued November 16 at 8:13AM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sun November 16, 2025, 8:13 AM
Expires: Sun November 16, 2025, 4:15 PM
* WHAT...Northwest winds 20 to 25 mph with gusts up to 50 mph. * WHERE...The District of Columbia. In Maryland, Anne Arundel, Central and Southeast Howard, Central and Southeast Montgomery, Northwest Howard, Northwest Montgomery, and Prince Georges Counties. In Virginia, Arlington/Falls Church/Alexandria, and Eastern Loudoun and Fairfax Counties. * WHEN...Until 6 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
This is only a test for monitoring of vital dissemination systems.
Effective: Sun November 16, 2025, 7:26 PM
Expires: Sun November 16, 2025, 7:36 PM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Weather Forecast
Average Temperature: 56.5°F
Average Humidity: 46%
Wind: 19 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 8.66 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 68.24 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:54 PM
Daylight: 10 hrs 1 mins
Moon Transit: 9:14 AM
Moonset: 2:53 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.1%
Best Times for Fishing or Hunting
Major Periods
8:44 AM - 11:14 AM12:00 AM - 12:00 AM
Minor Periods
2:23 PM - 3:53 PM2:57 AM - 4:27 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 42.3°F
Average Humidity: 46%
Wind: 14.8 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 6.32 μg/m3
Sulphur Dioxide: 4.02 μg/m3
Ozone: 68.68 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:53 PM
Daylight: 9 hrs 59 mins
Moon Transit: 9:55 AM
Moonset: 3:15 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.1%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM9:25 AM - 11:55 AM
Minor Periods
2:45 PM - 4:15 PM3:57 AM - 5:27 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 36.2°F
Average Humidity: 73%
Wind: 6 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 15.84 μg/m3
Sulphur Dioxide: 7.02 μg/m3
Ozone: 50.2 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:53 PM
Daylight: 9 hrs 57 mins
Moon Transit: 10:37 AM
Moonset: 3:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM10:07 AM - 12:37 AM
Minor Periods
3:10 PM - 4:40 PM4:57 AM - 6:27 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 41.2°F
Average Humidity: 84%
Wind: 5.8 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 39.82 μg/m3
Sulphur Dioxide: 12.19 μg/m3
Ozone: 25 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:52 PM
Daylight: 9 hrs 55 mins
Moon Transit: 11:22 AM
Moonset: 4:10 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
12:14 AM - 2:44 AM10:52 AM - 1:22 PM
Minor Periods
3:40 PM - 5:10 PM5:59 AM - 7:29 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 46.6°F
Average Humidity: 86%
Wind: 4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 45.56 μg/m3
Sulphur Dioxide: 10.34 μg/m3
Ozone: 11.46 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:52 PM
Daylight: 9 hrs 54 mins
Moon Transit: 12:10 AM
Moonset: 4:45 PM
Moon Phase: New
Moon Illumination: 2.7%
Best Times for Fishing or Hunting
Major Periods
1:01 AM - 3:31 AM11:40 AM - 2:10 PM
Minor Periods
4:15 PM - 5:45 PM7:01 AM - 8:31 AM
Action Rating: 4 out of 5