Accomack County, Virginia, United States

Last updated: 10:24 PM CDT  ·  Refresh
25°C
Feels like 28°
Rain
▲ 29°  /  ▼ 21°
Wind
7 mph W
Humidity
90%
Dew Point
24°
Pressure
29.93 inHg
Visibility
8 mi
UV Index
0.0
Cloud Cover
74%
Sunrise
6:22 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Accomack County is currently rain at 25°C. Precipitation is likely — peak probability 78% around 12 AM. Atmospheric instability is elevated (CAPE up to 928 J/kg) — isolated convective development possible. Sunrise: 6:22AM · Sunset: 7:48PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
25°
75%
12 AM
25°
77%
1 AM
24°
52%
2 AM
24°
27%
3 AM
23°
13%
4 AM
22°
14%
5 AM
21°
17%
6 AM
21°
17%
7 AM
21°
4%
8 AM
21°
5%
9 AM
21°
5%
10 AM
22°
5%
11 AM
23°
5%
12 PM
24°
5%
1 PM
25°
5%
2 PM
26°
14%
3 PM
26°
23%
4 PM
26°
24%
5 PM
26°
24%
6 PM
26°
25%
7 PM
26°
28%
8 PM
26°
29%
9 PM
25°
41%
10 PM
25°
42%
7-Day Forecast
Tonight
29° 21°
Rain, 75% chance.
Fri
27° 21°
Partly Cloudy with a 72% chance of rain.
Sat
27° 23°
Rain, 86% chance.
Sun
29° 23°
Partly Cloudy with a 64% chance of rain.
Mon
28° 22°
Rain, 43% chance.
Tue
28° 23°
Rain, 70% chance.
Wed
28° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 25° Rain 75% 7 mph W 90%
12 AM 25° Mostly Cloudy 77% 6 mph WNW 89%
1 AM 24° Partly Cloudy 52% 7 mph NW 89%
2 AM 24° Partly Cloudy 27% 9 mph NW 89%
3 AM 23° Mostly Cloudy 13% 9 mph NNW 90%
4 AM 22° Mostly Cloudy 14% 9 mph NNW 91%
5 AM 21° Mostly Cloudy 17% 9 mph NNW 92%
6 AM 21° Mostly Cloudy 17% 10 mph NNW 91%
7 AM 21° Mostly Cloudy 4% 10 mph N 90%
8 AM 21° Mostly Cloudy 5% 10 mph N 87%
9 AM 21° Mostly Cloudy 5% 9 mph N 84%
10 AM 22° Mostly Cloudy 5% 8 mph N 79%
11 AM 23° Mostly Cloudy 5% 7 mph N 76%
12 PM 24° Mostly Cloudy 5% 7 mph N 74%
1 PM 25° Partly Cloudy 5% 6 mph NNW 72%
2 PM 26° Partly Cloudy 14% 5 mph N 71%
3 PM 26° Partly Cloudy 23% 5 mph NNE 71%
4 PM 26° Mostly Clear 24% 6 mph NE 72%
5 PM 26° Mostly Clear 24% 7 mph NE 73%
6 PM 26° Partly Cloudy 25% 7 mph NE 74%
7 PM 26° Partly Cloudy 28% 7 mph NE 75%
8 PM 26° Partly Cloudy 29% 6 mph NE 77%
9 PM 25° Partly Cloudy 41% 6 mph ENE 78%
10 PM 25° Partly Cloudy 42% 6 mph ENE 79%
15-Day Forecast
Today
8/20
Rain
75%
21°
29°
Fri
8/21
Partly Cloudy
72%
21°
27°
Sat
8/22
Rain
86%
23°
27°
Sun
8/23
Partly Cloudy
64%
23°
29°
Mon
8/24
Rain
43%
22°
28°
Tue
8/25
Rain
70%
23°
28°
Wed
8/26
Rain
71%
22°
28°
Thu
8/27
Rain
82%
23°
29°
Fri
8/28
Rain
69%
23°
29°
Sat
8/29
Rain
68%
23°
30°
Sun
8/30
Drizzle
60%
23°
29°
Mon
8/31
Drizzle
60%
23°
29°
Tue
9/1
Drizzle
60%
22°
27°
Wed
9/2
Drizzle
60%
22°
26°
Thu
9/3
Drizzle
60%
22°
26°
42
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
38 AQI 6.8 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 42 38
Sat 34 Good 34 23
Sun 43 Good 43 19
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 Fri Aug 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1230 J/kg
MLCAPE224 J/kg
MUCAPE1230 J/kg
SBCIN-11 J/kg
MLCIN-74 J/kg
Lifted Index-3.2
Kinematics
0–6 km Shear26 kt
0–1 km Shear12 kt
Eff. Shear26 kt
0–1 km SRH-46
0–3 km SRH12
Eff. SRH12
Storm Motion282° @ 29 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index36.7
Thermo & Levels
PWAT2.14 in
0–3 km LR5.6 °C/km
700–500 LR4.9 °C/km
Total Totals43.9
LCL988 hPa
LFC867 hPa
EL196 hPa
Freezing Lvl15,374 ft