Weather for McLean, Virginia
Current Weather
Humidity: 65%
Feels Like: 64°F
Wind: WSW 9.4 mph
Wind Gusts: 17 mph
Precipitation: 0 in
Cloud Cover: 75%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Sun
H: 59°F
L: 42°F
Mon
H: 49°F
L: 35°F
Tue
H: 40°F
L: 36°F
Wed
H: 52°F
L: 41°F
Thu
H: 49°F
L: 46°F
Air Quality
Nitrogen Dioxide: 9.55 μg/m3
Sulphur Dioxide: 5.85 μg/m3
Ozone: 58 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 PM2:56 AM - 4:26 AM
Action Rating: 2 out of 5
Fire Weather Watch issued November 15 at 7:18PM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sat November 15, 2025, 7:18 PM
Expires: Sun November 16, 2025, 8:30 AM
* TIMING...From Sunday morning through Sunday afternoon. * WINDS...Northwest 15 to 25 mph with gusts up to 45 mph. * RELATIVE HUMIDITY...15 to 25 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
A Fire Weather Watch means that critical fire weather conditions may occur. Listen for later forecasts and possible Red Flag Warnings.
Wind Advisory issued November 16 at 1:25AM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sun November 16, 2025, 1:25 AM
Expires: Sun November 16, 2025, 9:30 AM
* WHAT...Northwest winds 20 to 25 mph with gusts of 45 to 50 mph expected. * WHERE...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...From noon today to 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.
Red Flag Warning issued November 16 at 12:05AM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sun November 16, 2025, 12:05 AM
Expires: Sun November 16, 2025, 1:15 PM
The National Weather Service in Baltimore MD/Washington DC has issued a Red Flag Warning for the threat of rapid fire spread, which is in effect from 8 AM this morning to 6 PM EST this evening. The Fire Weather Watch is no longer in effect. * TIMING...From 8 AM this morning to 6 PM EST this evening. * WINDS...Northwest 20 to 30 mph with gusts up to 50 mph across northern Maryland, eastern West Virginia, and northwestern Virginia. Northwest 15 to 25 mph with gusts up to 40 mph across the Washington DC metro, southern Maryland, and the central Virginia piedmont. * RELATIVE HUMIDITY...As low as around 20 percent. * 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.
This is only a test for monitoring of vital dissemination systems.
Effective: Sun November 16, 2025, 1:26 AM
Expires: Sun November 16, 2025, 1:36 AM
Monitoring message only. Please disregard.
Monitoring message only. Please disregard.
Wind Advisory issued November 15 at 7:29PM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sat November 15, 2025, 7:29 PM
Expires: Sun November 16, 2025, 3:30 AM
* WHAT...Northwest winds 20 to 25 mph with gusts up to 50 mph expected. * WHERE...Portions of north central, northeast, and northern Maryland, northern, northwest, and western Virginia, and the eastern panhandle of West Virginia. * WHEN...From 9 AM to 6 PM EST Sunday. * 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.
Wind Advisory issued November 16 at 1:25AM EST until November 16 at 6:00PM EST by NWS Baltimore MD/Washington DC
Effective: Sun November 16, 2025, 1:25 AM
Expires: Sun November 16, 2025, 9:30 AM
* WHAT...Northwest winds 20 to 25 mph with gusts up to 50 mph expected. * WHERE...Portions of north central, northeast, and northern Maryland, northern, northwest, and western Virginia, and the eastern panhandle of West Virginia. * WHEN...From 9 AM this morning to 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.
Weather Forecast
Average Temperature: 54.7°F
Average Humidity: 51%
Wind: 16.6 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 9.55 μg/m3
Sulphur Dioxide: 5.07 μg/m3
Ozone: 68.76 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 PM2:56 AM - 4:26 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 41.3°F
Average Humidity: 50%
Wind: 14.5 mph
UV Index: 0.5
Air Quality
Nitrogen Dioxide: 11.38 μg/m3
Sulphur Dioxide: 5.31 μg/m3
Ozone: 62.12 μg/m3
Astronomical
Sun Transit: 11:53 AM
Sunset: 4:53 PM
Daylight: 9 hrs 59 mins
Moon Transit: 9:54 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 AM9:24 AM - 11:54 AM
Minor Periods
2:45 PM - 4:15 PM3:57 AM - 5:27 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 37.6°F
Average Humidity: 70%
Wind: 6.5 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 24.71 μg/m3
Sulphur Dioxide: 8.5 μg/m3
Ozone: 38.16 μg/m3
Astronomical
Sun Transit: 11:53 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: 46.2°F
Average Humidity: 87%
Wind: 6.9 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 33.4 μg/m3
Sulphur Dioxide: 7.78 μg/m3
Ozone: 24.54 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:52 PM
Daylight: 9 hrs 56 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
12:15 AM - 2:45 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: 82%
Wind: 4.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 11:54 AM
Sunset: 4:51 PM
Daylight: 9 hrs 54 mins
Moon Transit: 12:09 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 AM11:39 AM - 2:09 PM
Minor Periods
4:15 PM - 5:45 PM7:00 AM - 8:30 AM
Action Rating: 4 out of 5