and then 
to Add to home screen Northern Virginia
Rise 7:12AM
Set 7:22PM
Reporting Station : Leesburg / Godfrey, VA
There are
21 Weather Alerts
for your area.
21 Weather Alerts
for your area.
37°F
Passing clouds. Chilly.
- 65%
- 22 mphNNW
-
65%
Humidity -
27°F
Dew Point -
27°F
Comfort Level -
10 mi
Visibility -
29.84 in
Barometric Pressure - Air Quality
Waning gibbous
Rise1:58AM
Set10:48AM
FRIDAY NIGHT
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 55 ppb |  Moderate |
| South Carroll | 54 ppb | Moderate |
| MORGANTOWN | 61 ppb | Moderate |
| Frederick Airport | 55 ppb | Moderate |
| Hagerstown | 60 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 19 Mar | Particulates smaller than 2.5 microns | 37 ppb |  Good |
| 20 Mar | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 21 Mar | Particulates smaller than 2.5 microns | 28 ppb | Good |
| 22 Mar | Particulates smaller than 2.5 microns | 28 ppb | Good |
| 23 Mar | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 24 Mar | Particulates smaller than 2.5 microns | n/a | Good |
| 25 Mar | Particulates smaller than 2.5 microns | n/a | Good |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 7:12AM
Set 7:22PM
Waning gibbous
Rise1:58AM
Set10:48AM
FRIDAY NIGHT
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Mar Friday | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Saturday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 23 Mar Sunday | Good |
well-mixed atmosphere, low pressure |
| 24 Mar Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 25 Mar Tuesday | Good |
strong winds, well-mixed atmosphere, low pressure |
| 26 Mar Wednesday | Good |
well-mixed atmosphere, low pressure |
| 27 Mar Thursday | Good |
strong winds, precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 21 Mar Night | Good |
strong winds, cold temperatures, well-mixed atmosphere, low pressure |
| 21 Mar Morning | Good |
strong winds, cold temperatures, well-mixed atmosphere, low pressure |
| 21 Mar Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 21 Mar Evening | Good |
well-mixed atmosphere, low pressure |
| 22 Mar Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 22 Mar Morning | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 22 Mar Afternoon | Good |
strong winds, well-mixed atmosphere, low pressure |
| 22 Mar Evening | Good |
strong winds, well-mixed atmosphere, low pressure |