and then 
to Add to home screen Northern Virginia
Rise 5:54AM
Set 8:18PM
Reporting Station : Leesburg / Godfrey, VA
There is
1 Weather Alert
for your area.
1 Weather Alert
for your area.
59°F
Overcast. Cool.
- 100%
- 3 mphNE
-
100%
Humidity -
59°F
Dew Point -
60°F
Comfort Level -
10 mi
Visibility -
29.93 in
Barometric Pressure - Air Quality
Waxing gibbous
Rise2:46PM
Set3:07AM
FRIDAY NIGHT
IAD / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Rockville | 45 ppb |  Good |
| Shenandoah NP | 44 ppb | Good |
| South Carroll | 46 ppb | Good |
| MORGANTOWN | 47 ppb | Good |
| Frederick Airport | 45 ppb | Good |
| WIDEWATER | 48 ppb | Good |
| Hagerstown | 44 ppb | Good |
| CORBIN | 46 ppb | Good |
| SUMERDUCK | 41 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 15 May | Particulates smaller than 2.5 microns | 27 ppb | Good |
| 16 May | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 17 May | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 18 May | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 19 May | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 20 May | Particulates smaller than 2.5 microns | n/a | Good |
| 21 May | Particulates smaller than 2.5 microns | n/a | Good |
Northern Virginia/DC
Suburban DC
Maryland Piedmont
Rise 5:54AM
Set 8:18PM
Waxing gibbous
Rise2:46PM
Set3:07AM
FRIDAY NIGHT
IAD / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 17 May Friday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 18 May Saturday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 19 May Sunday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 20 May Monday | Good |
well-mixed atmosphere, low pressure |
| 21 May Tuesday | Good |
well-mixed atmosphere, low pressure |
| 22 May Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 23 May Thursday | Good |
precipitation, well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 17 May Night | Good |
well-mixed atmosphere, low pressure |
| 17 May Morning | Good |
well-mixed atmosphere, low pressure |
| 17 May Afternoon | Good |
well-mixed atmosphere, low pressure |
| 17 May Evening | Good |
precipitation, well-mixed atmosphere, low pressure |
| 18 May Night | Good |
precipitation, well-mixed atmosphere, low pressure |
| 18 May Morning | Good |
precipitation, well-mixed atmosphere, low pressure |
| 18 May Afternoon | Good |
precipitation, well-mixed atmosphere, low pressure |
| 18 May Evening | Good |
precipitation, well-mixed atmosphere, low pressure |