and then 
to Add to home screen Northern Virginia
Rise 7:25AM
Set 5:17PM
Reporting Station : Leesburg / Godfrey, VA
There are
29 Weather Alerts
for your area.
29 Weather Alerts
for your area.
21°F
Scattered clouds. Cold.
- 63%
- 15 mphWNW
-
63%
Humidity -
10°F
Dew Point -
8°F
Comfort Level -
10 mi
Visibility -
30.42 in
Barometric Pressure - Air Quality
Waning gibbous
Rise*
Set10:43AM
MONDAY AFTERNOON
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Shenandoah NP | 38 ppb |  Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 18 Jan | Particulates smaller than 2.5 microns | 55 ppb |  Moderate |
| 19 Jan | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 20 Jan | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 21 Jan | Particulates smaller than 2.5 microns | 58 ppb | Moderate |
| 22 Jan | Particulates smaller than 2.5 microns | 56 ppb | Moderate |
| 23 Jan | Particulates smaller than 2.5 microns | 53 ppb | Moderate |
| 24 Jan | Particulates smaller than 2.5 microns | n/a | Moderate |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 7:25AM
Set 5:17PM
Waning gibbous
Rise*
Set10:43AM
MONDAY AFTERNOON
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 20 Jan Monday | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 21 Jan Tuesday | Good |
cold temperatures, well-mixed atmosphere |
| 22 Jan Wednesday | Good |
cold temperatures, well-mixed atmosphere |
| 23 Jan Thursday | Good |
cold temperatures, well-mixed atmosphere |
| 24 Jan Friday | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 25 Jan Saturday | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 26 Jan Sunday | Good |
precipitation, cold temperatures, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 20 Jan Afternoon | Good |
strong winds, cold temperatures, well-mixed atmosphere, low pressure |
| 20 Jan Evening | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 21 Jan Night | Good |
cold temperatures, well-mixed atmosphere, low pressure |
| 21 Jan Morning | Good |
cold temperatures, well-mixed atmosphere |
| 21 Jan Afternoon | Good |
cold temperatures, well-mixed atmosphere |
| 21 Jan Evening | Good |
cold temperatures, well-mixed atmosphere |
| 22 Jan Night | Good |
cold temperatures, well-mixed atmosphere |
| 22 Jan Morning | Good |
cold temperatures, well-mixed atmosphere |