Calvert County, Maryland, United States

Last updated: 9:08 p. m. CDT  ·  Refresh
23°C
Feels like 24°
Mostly Cloudy
▲ 31°  /  ▼ 19°
Wind
10 mph NNW
Humidity
86%
Dew Point
21°
Pressure
29,86 inHg
Visibility
10 mi
UV Index
0,0
Cloud Cover
84%
Sunrise
6:24 a. m.
Sunset
7:53 p. m.
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calvert County is currently mostly cloudy at 23°C. Precipitation is likely — peak probability 51% around 10 p. m.. Sunrise: 6:24A. M. · Sunset: 7:53P. M..

Alerts

No active alerts for this location.
39 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
16%
11 p. m.
22°
34%
12 a. m.
22°
31%
1 a. m.
22°
31%
2 a. m.
21°
11%
3 a. m.
21°
11%
4 a. m.
21°
10%
5 a. m.
19°
3%
6 a. m.
19°
3%
7 a. m.
19°
3%
8 a. m.
20°
3%
9 a. m.
21°
3%
10 a. m.
22°
3%
11 a. m.
23°
3%
12 p. m.
23°
3%
1 p. m.
25°
3%
2 p. m.
26°
11%
3 p. m.
26°
24%
4 p. m.
26°
24%
5 p. m.
26°
27%
6 p. m.
25°
40%
7 p. m.
25°
41%
8 p. m.
24°
45%
9 p. m.
23°
50%
7-Day Forecast
Tonight
31° 19°
Mostly Cloudy.
Fri
27° 19°
Partly Cloudy with a 51% chance of rain.
Sat
25° 21°
Rain, 81% chance.
Sun
30° 21°
Mostly Cloudy with a 46% chance of rain.
Mon
29° 19°
Clear with a 21% chance of rain.
Tue
27° 18°
Rain, 61% chance.
Wed
28° 19°
Heavy Rain, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Mostly Cloudy 16% 10 mph NNW 86%
11 p. m. 22° Partly Cloudy 34% 12 mph N 87%
12 a. m. 22° Overcast 31% 11 mph N 87%
1 a. m. 22° Mostly Cloudy 31% 11 mph N 86%
2 a. m. 21° Mostly Cloudy 11% 10 mph N 85%
3 a. m. 21° Mostly Cloudy 11% 10 mph N 86%
4 a. m. 21° Overcast 10% 10 mph N 86%
5 a. m. 19° Mostly Cloudy 3% 10 mph N 87%
6 a. m. 19° Mostly Cloudy 3% 10 mph N 87%
7 a. m. 19° Mostly Cloudy 3% 10 mph N 86%
8 a. m. 20° Mostly Cloudy 3% 10 mph N 86%
9 a. m. 21° Partly Cloudy 3% 10 mph N 82%
10 a. m. 22° Partly Cloudy 3% 10 mph N 78%
11 a. m. 23° Partly Cloudy 3% 10 mph N 74%
12 p. m. 23° Partly Cloudy 3% 8 mph NNE 73%
1 p. m. 25° Partly Cloudy 3% 8 mph NNE 71%
2 p. m. 26° Mostly Cloudy 11% 7 mph NNE 70%
3 p. m. 26° Partly Cloudy 24% 6 mph NNE 69%
4 p. m. 26° Partly Cloudy 24% 6 mph NNE 68%
5 p. m. 26° Partly Cloudy 27% 6 mph NNE 68%
6 p. m. 25° Partly Cloudy 40% 6 mph NE 69%
7 p. m. 25° Partly Cloudy 41% 6 mph NE 71%
8 p. m. 24° Partly Cloudy 45% 6 mph NE 72%
9 p. m. 23° Mostly Cloudy 50% 6 mph ENE 75%
15-Day Forecast
Today
8/20
Mostly Cloudy
16%
19°
31°
Fri
8/21
Partly Cloudy
51%
19°
27°
Sat
8/22
Rain
81%
21°
25°
Sun
8/23
Mostly Cloudy
46%
21°
30°
Mon
8/24
Clear
21%
19°
29°
Tue
8/25
Rain
61%
18°
27°
Wed
8/26
Heavy Rain
82%
19°
28°
Thu
8/27
Rain
90%
21°
27°
Fri
8/28
Drizzle
69%
20°
30°
Sat
8/29
Rain
68%
20°
31°
Sun
8/30
Drizzle
64%
21°
31°
Mon
8/31
Drizzle
60%
20°
31°
Tue
9/1
Drizzle
60%
19°
27°
Wed
9/2
Drizzle
60%
19°
27°
Thu
9/3
Drizzle
60%
19°
27°
39
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
39 AQI 7.1 µg/m³
O3
Ground-level ozone
Dominant
39 AQI 43 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 39 Good 39 39
Sat 32 Good 32 23
Sun 35 Good 35 11
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid jue. ago. 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
SBCAPE20 J/kg
MLCAPE23 J/kg
MUCAPE101 J/kg
SBCIN-152 J/kg
MLCIN-115 J/kg
Lifted Index1.1
Kinematics
0–6 km Shear34 kt
0–1 km Shear17 kt
Eff. Shear35 kt
0–1 km SRH-94
0–3 km SRH-9
Eff. SRH27
Storm Motion284° @ 33 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.1
K-Index34.6
Thermo & Levels
PWAT1.87 in
0–3 km LR5.1 °C/km
700–500 LR4.7 °C/km
Total Totals42.1
LCL978 hPa
LFC752 hPa
EL573 hPa
Freezing Lvl15,282 ft