and then 
to Add to home screen Northern Virginia
Rise 5:44AM
Set 8:39PM
Reporting Station : Leesburg / Godfrey, VA
There are
21 Weather Alerts
for your area.
21 Weather Alerts
for your area.
73°F
Clear. Mild.
- 89%
- 6 mphSSW
-
89%
Humidity -
70°F
Dew Point -
72°F
Comfort Level -
10 mi
Visibility -
30.14 in
Barometric Pressure - Air Quality
Waning crescent
Rise2:17AM
Set4:43PM
SATURDAY EVENING
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 60 ppb |  Moderate |
| South Carroll | 61 ppb | Moderate |
| Frederick Airport | 59 ppb | Moderate |
| Hagerstown | 60 ppb | Moderate |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 20 Jun | Particulates smaller than 2.5 microns | 30 ppb |  Good |
| 21 Jun | Particulates smaller than 2.5 microns | 44 ppb | Good |
| 22 Jun | Particulates smaller than 2.5 microns | 50 ppb | Good |
| 23 Jun | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 24 Jun | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 25 Jun | Particulates smaller than 2.5 microns | 55 ppb | Moderate |
| 26 Jun | Particulates smaller than 2.5 microns | n/a | Moderate |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 5:44AM
Set 8:39PM
Waning crescent
Rise2:17AM
Set4:43PM
SATURDAY EVENING
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 22 Jun Sunday | Good |
well-mixed atmosphere, low pressure |
| 23 Jun Monday | Good |
well-mixed atmosphere, low pressure |
| 24 Jun Tuesday | Good |
well-mixed atmosphere, low pressure |
| 25 Jun Wednesday | Good |
well-mixed atmosphere, low pressure |
| 26 Jun Thursday | Good |
well-mixed atmosphere, low pressure |
| 27 Jun Friday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 28 Jun Saturday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 22 Jun Night | Good |
well-mixed atmosphere, low pressure |
| 22 Jun Morning | Good |
well-mixed atmosphere, low pressure |
| 22 Jun Afternoon | Good |
well-mixed atmosphere, low pressure |
| 22 Jun Evening | Good |
well-mixed atmosphere, low pressure |
| 23 Jun Night | Good |
well-mixed atmosphere, low pressure |
| 23 Jun Morning | Good |
well-mixed atmosphere, low pressure |
| 23 Jun Afternoon | Good |
well-mixed atmosphere, low pressure |
| 23 Jun Evening | Good |
well-mixed atmosphere, low pressure |