Accomack County, Virginia, United States

Last updated: 9:10 PM CDT  ·  Refresh
26°C
Feels like 28°
Partly Cloudy
▲ 29°  /  ▼ 21°
Wind
11 mph W
Humidity
83%
Dew Point
23°
Pressure
29.91 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
47%
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 partly cloudy at 26°C. Precipitation is likely — peak probability 66% around 12 AM. Atmospheric instability is elevated (CAPE up to 806 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
26°
61%
11 PM
26°
62%
12 AM
26°
66%
1 AM
24°
62%
2 AM
24°
33%
3 AM
23°
22%
4 AM
22°
19%
5 AM
21°
17%
6 AM
21°
17%
7 AM
21°
5%
8 AM
21°
5%
9 AM
21°
5%
10 AM
22°
5%
11 AM
23°
5%
12 PM
23°
8%
1 PM
24°
8%
2 PM
25°
16%
3 PM
25°
27%
4 PM
25°
27%
5 PM
26°
32%
6 PM
26°
36%
7 PM
25°
39%
8 PM
25°
40%
9 PM
24°
54%
7-Day Forecast
Tonight
29° 21°
Partly Cloudy with a 61% chance of rain.
Fri
27° 21°
Mostly Cloudy with a 62% chance of rain.
Sat
27° 23°
Rain, 90% chance.
Sun
29° 23°
Partly Cloudy with a 60% chance of rain.
Mon
28° 22°
Clear with a 43% chance of rain.
Tue
28° 23°
Rain, 70% chance.
Wed
28° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 61% 11 mph W 83%
11 PM 26° Rain 62% 10 mph WNW 84%
12 AM 26° Heavy Rain 66% 6 mph WNW 85%
1 AM 24° Partly Cloudy 62% 6 mph NW 86%
2 AM 24° Partly Cloudy 33% 8 mph NNW 87%
3 AM 23° Mostly Cloudy 22% 9 mph NNW 88%
4 AM 22° Mostly Cloudy 19% 9 mph NNW 90%
5 AM 21° Mostly Cloudy 17% 10 mph NNW 92%
6 AM 21° Mostly Cloudy 17% 10 mph NNW 91%
7 AM 21° Mostly Cloudy 5% 9 mph N 90%
8 AM 21° Mostly Cloudy 5% 9 mph N 88%
9 AM 21° Partly Cloudy 5% 9 mph N 84%
10 AM 22° Mostly Cloudy 5% 8 mph N 80%
11 AM 23° Mostly Cloudy 5% 8 mph N 77%
12 PM 23° Mostly Cloudy 8% 7 mph N 76%
1 PM 24° Mostly Cloudy 8% 7 mph N 74%
2 PM 25° Mostly Cloudy 16% 7 mph NNE 73%
3 PM 25° Mostly Cloudy 27% 7 mph NNE 73%
4 PM 25° Mostly Cloudy 27% 8 mph NNE 74%
5 PM 26° Partly Cloudy 32% 8 mph NNE 74%
6 PM 26° Mostly Cloudy 36% 8 mph NNE 76%
7 PM 25° Mostly Cloudy 39% 8 mph NE 77%
8 PM 25° Mostly Cloudy 40% 8 mph NE 78%
9 PM 24° Mostly Cloudy 54% 8 mph ENE 80%
15-Day Forecast
Today
8/20
Partly Cloudy
61%
21°
29°
Fri
8/21
Mostly Cloudy
62%
21°
27°
Sat
8/22
Rain
90%
23°
27°
Sun
8/23
Partly Cloudy
60%
23°
29°
Mon
8/24
Clear
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 Thu Aug 20, 23:00'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
SBCAPE1130 J/kg
MLCAPE1099 J/kg
MUCAPE1389 J/kg
SBCIN-88 J/kg
MLCIN-63 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear26 kt
0–1 km Shear20 kt
Eff. Shear26 kt
0–1 km SRH55
0–3 km SRH44
Eff. SRH44
Storm Motion274° @ 31 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.2
STP (eff)0.1
Supercell0.8
K-Index38.6
Thermo & Levels
PWAT2.35 in
0–3 km LR5.6 °C/km
700–500 LR5.4 °C/km
Total Totals46.3
LCL972 hPa
LFC811 hPa
EL199 hPa
Freezing Lvl15,128 ft