Hourly Weather | Today Tuesday, January 27, 2026
Active Weather Warnings
Washington, District of Columbia
11 PM
Cloudy Night
19°
Feels Like
0
Humidity: 67%
Wind: 10 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

11 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.76 µg/m³
  • PM10: 7.53 µg/m³
  • O3: 0.047 ppm
  • NO2: 2.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Weather Alerts and Warnings for Washington

Moderate Expected Likely

Cold Weather Advisory

Cold Weather Advisory issued January 27 at 2:06PM EST until January 28 at 11:00AM EST by NWS Baltimore MD/Washington DC
Jan 27, 7:00 PM Jan 28, 11:00 AM
WHAT: Very cold wind chills between 0 and 8 below expected.

WHERE: Washington DC, and portions of central, northeast,
northern, and southern Maryland, and central, northern, and
western Virginia.

WHEN: From 7 PM this evening to 11 AM EST Wednesday.

IMPACTS: The cold wind chills could result in hypothermia if
precautions are not taken. Frostbite will occur if unprotected
skin is exposed to these temperatures.

ADDITIONAL DETAILS: Additional Cold Weather Headlines are
expected at times through the end of the week as the region
remains in an Arctic Airmass.
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Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water.
Updated: Jan 27, 9:42 PM Source: NWS Alert