Charles County, Maryland, United States

Last updated: 9:10 PM CDT  ·  Refresh
23°C
Feels like 24°
Partly Cloudy
▲ 32°  /  ▼ 17°
Wind
7 mph N
Humidity
85%
Dew Point
20°
Pressure
29.86 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
43%
Sunrise
6:26 AM
Sunset
7:55 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Charles County is currently partly cloudy at 23°C. Precipitation is likely — peak probability 51% around 10 PM. Sunrise: 6:26AM · Sunset: 7:55PM.

Alerts

No active alerts for this location.
41 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
8%
11 PM
21°
23%
12 AM
21°
23%
1 AM
20°
23%
2 AM
20°
3%
3 AM
19°
3%
4 AM
19°
3%
5 AM
18°
3%
6 AM
17°
3%
7 AM
18°
3%
8 AM
18°
3%
9 AM
19°
3%
10 AM
21°
3%
11 AM
22°
5%
12 PM
23°
5%
1 PM
24°
5%
2 PM
25°
11%
3 PM
26°
27%
4 PM
26°
27%
5 PM
26°
36%
6 PM
26°
40%
7 PM
24°
41%
8 PM
24°
41%
9 PM
22°
50%
7-Day Forecast
Tonight
32° 17°
Partly Cloudy.
Fri
28° 17°
Partly Cloudy with a 51% chance of rain.
Sat
26° 19°
Overcast with a 81% chance of rain.
Sun
31° 19°
Mostly Cloudy with a 42% chance of rain.
Mon
31° 18°
Clear.
Tue
31° 17°
Rain, 61% chance.
Wed
31° 18°
Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Partly Cloudy 8% 7 mph N 85%
11 PM 21° Overcast 23% 7 mph N 88%
12 AM 21° Partly Cloudy 23% 7 mph N 86%
1 AM 20° Partly Cloudy 23% 7 mph N 85%
2 AM 20° Partly Cloudy 3% 6 mph N 85%
3 AM 19° Mostly Cloudy 3% 6 mph N 85%
4 AM 19° Mostly Cloudy 3% 6 mph N 86%
5 AM 18° Partly Cloudy 3% 6 mph NNW 86%
6 AM 17° Mostly Cloudy 3% 5 mph N 86%
7 AM 18° Mostly Cloudy 3% 6 mph N 86%
8 AM 18° Mostly Cloudy 3% 6 mph N 84%
9 AM 19° Partly Cloudy 3% 6 mph N 78%
10 AM 21° Partly Cloudy 3% 6 mph N 71%
11 AM 22° Partly Cloudy 5% 6 mph N 66%
12 PM 23° Partly Cloudy 5% 6 mph N 66%
1 PM 24° Partly Cloudy 5% 5 mph NNE 65%
2 PM 25° Mostly Cloudy 11% 4 mph NNE 65%
3 PM 26° Partly Cloudy 27% 4 mph NNE 63%
4 PM 26° Partly Cloudy 27% 4 mph NE 61%
5 PM 26° Partly Cloudy 36% 4 mph NE 61%
6 PM 26° Partly Cloudy 40% 4 mph NE 64%
7 PM 24° Partly Cloudy 41% 3 mph NE 67%
8 PM 24° Mostly Cloudy 41% 4 mph NE 71%
9 PM 22° Mostly Cloudy 50% 3 mph ENE 73%
15-Day Forecast
Today
8/20
Partly Cloudy
8%
17°
32°
Fri
8/21
Partly Cloudy
51%
17°
28°
Sat
8/22
Overcast
81%
19°
26°
Sun
8/23
Mostly Cloudy
42%
19°
31°
Mon
8/24
Clear
8%
18°
31°
Tue
8/25
Rain
61%
17°
31°
Wed
8/26
Rain
82%
18°
31°
Thu
8/27
Rain
82%
19°
29°
Fri
8/28
Drizzle
68%
19°
32°
Sat
8/29
Rain
68%
19°
33°
Sun
8/30
Clear
64%
19°
33°
Mon
8/31
Drizzle
60%
19°
32°
Tue
9/1
Drizzle
60%
18°
30°
Wed
9/2
Drizzle
60%
18°
30°
Thu
9/3
Drizzle
60%
18°
29°
41
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
41 AQI 7.4 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 41 Good 37 41
Sat 31 Good 31 24
Sun 43 Good 43 17
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Thu Aug 20, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE8 J/kg
MUCAPE35 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index2.4
Kinematics
0–6 km Shear31 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH-100
0–3 km SRH-13
Eff. SRH—
Storm Motion292° @ 31 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index33.1
Thermo & Levels
PWAT1.79 in
0–3 km LR5.0 °C/km
700–500 LR4.6 °C/km
Total Totals40.8
LCL970 hPa
LFC—
EL—
Freezing Lvl15,144 ft