and then 
to Add to home screen Southern Maryland
Rise 7:00AM
Set 6:55PM
Reporting Station : St. Marys County Regional Airport, MD
There are
12 Weather Alerts
for your area.
12 Weather Alerts
for your area.
75°F
Low clouds. Mild.
- 94%
- 3 mphSSE
-
94%
Humidity -
73°F
Dew Point -
74°F
Comfort Level -
7 mi
Visibility -
29.80 in
Barometric Pressure - Air Quality
Waning crescent
Rise1:50AM
Set4:52PM
FRIDAY EVENING
DCA / Delays under 15 minutes
Air Quality Observations
| Station Name | Concentration | Category |
|---|---|---|
| Shenandoah NP | 32 ppb |  Good |
| Rockville | 17 ppb | Good |
| South Carroll | 20 ppb | Good |
Air Quality Forecast
| Date | Pollutant | Concentration | Category |
|---|---|---|---|
| 26 Sep | Ozone | 25 ppb | Good |
| 27 Sep | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 28 Sep | Particulates smaller than 2.5 microns | 28 ppb | Good |
| 29 Sep | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 30 Sep | Particulates smaller than 2.5 microns | 17 ppb | Good |
| 01 Oct | Particulates smaller than 2.5 microns | 22 ppb | Good |
| 02 Oct | Particulates smaller than 2.5 microns | 22 ppb | Good |
Fredericksburg
Northern Virginia
Northern Virginia/DC
Rise 7:00AM
Set 6:55PM
Waning crescent
Rise1:50AM
Set4:52PM
FRIDAY EVENING
DCA / Delays under 15 minutes
Extended Forecast
| Date | Category | Reason |
|---|---|---|
| 28 Sep Saturday | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Sunday | Good |
well-mixed atmosphere, low pressure |
| 30 Sep Monday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 01 Oct Tuesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 02 Oct Wednesday | Good |
precipitation, well-mixed atmosphere, low pressure |
| 03 Oct Thursday | Good |
well-mixed atmosphere, low pressure |
| 04 Oct Friday | Good |
well-mixed atmosphere, low pressure |
Detailed Forecast
| Date | Category | Reason |
|---|---|---|
| 28 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 28 Sep Evening | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Night | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Morning | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Afternoon | Good |
well-mixed atmosphere, low pressure |
| 29 Sep Evening | Good |
well-mixed atmosphere, low pressure |