and then 
to Add to home screen Southern Maryland
Rise 6:57AM
Set 7:02PM
Reporting Station : St. Marys County Regional Airport, MD
There are
18 Weather Alerts
for your area.
18 Weather Alerts
for your area.
63°F
Mostly cloudy. Mild.
- 88%
- 5 mphE
-
88%
Humidity -
59°F
Dew Point -
63°F
Comfort Level -
10 mi
Visibility -
30.04 in
Barometric Pressure - Air Quality
Waning gibbous
Rise10:43PM
Set1:40PM
MONDAY EVENING
DCA / No delays
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| CORBIN | 27 ppb |  Good |
| WIDEWATER | 28 ppb | Good |
| Shenandoah NP | 34 ppb | Good |
| SUMERDUCK | 21 ppb | Good |
| HANOVER | 37 ppb | Good |
| Rockville | 29 ppb | Good |
| BEACH ROAD | 35 ppb | Good |
| South Carroll | 31 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 22 Sep | Ozone | 31 ppb | Good |
| 23 Sep | Ozone | 22 ppb | Good |
| 24 Sep | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 25 Sep | Particulates smaller than 2.5 microns | 33 ppb | Good |
| 26 Sep | Particulates smaller than 2.5 microns | 39 ppb | Good |
| 27 Sep | Particulates smaller than 2.5 microns | n/a | Good |
| 28 Sep | Particulates smaller than 2.5 microns | n/a | Good |
Fredericksburg
Northern Virginia
ModerateNorthern Virginia/DC
Rise 6:57AM
Set 7:02PM
Waning gibbous
Rise10:43PM
Set1:40PM
MONDAY EVENING
DCA / No delays
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 24 Sep Tuesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 25 Sep Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 26 Sep Thursday | Good |
well-mixed atmosphere, low pressure |
| 27 Sep Friday | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Sunday | Good |
well-mixed atmosphere, low pressure |
| 30 Sep Monday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 23 Sep Evening | Good |
precipitation, well-mixed atmosphere, low pressure |
| 24 Sep Night | Good |
precipitation, well-mixed atmosphere, low pressure |
| 24 Sep Morning | Good |
precipitation, well-mixed atmosphere, low pressure |
| 24 Sep Afternoon | Good |
precipitation, well-mixed atmosphere, low pressure |
| 24 Sep Evening | Good |
precipitation, well-mixed atmosphere, low pressure |
| 25 Sep Night | Good |
precipitation, well-mixed atmosphere, low pressure |
| 25 Sep Morning | Good |
precipitation, well-mixed atmosphere, low pressure |
| 25 Sep Afternoon | Good |
precipitation, well-mixed atmosphere, low pressure |