York County, Virginia, United States

Last updated: 9:10 PM CDT  ·  Refresh
26°C
Feels like 28°
Partly Cloudy
▲ 33°  /  ▼ 21°
Wind
7 mph WSW
Humidity
84%
Dew Point
22°
Pressure
29.88 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
34%
Sunrise
6:26 AM
Sunset
7:51 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: York County is currently partly cloudy at 25°C. Precipitation is likely — peak probability 76% around 9 PM. Atmospheric instability is elevated (CAPE up to 662 J/kg) — isolated convective development possible. Sunrise: 6:26AM · Sunset: 7:51PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
46%
11 PM
26°
55%
12 AM
25°
58%
1 AM
24°
44%
2 AM
24°
60%
3 AM
23°
45%
4 AM
23°
46%
5 AM
21°
34%
6 AM
21°
34%
7 AM
21°
21%
8 AM
21°
21%
9 AM
22°
30%
10 AM
23°
31%
11 AM
23°
31%
12 PM
24°
35%
1 PM
26°
40%
2 PM
26°
48%
3 PM
26°
56%
4 PM
26°
56%
5 PM
27°
57%
6 PM
26°
57%
7 PM
26°
58%
8 PM
25°
62%
9 PM
23°
75%
7-Day Forecast
Tonight
33° 21°
Partly Cloudy with a 46% chance of rain.
Fri
28° 21°
Mostly Cloudy with a 72% chance of rain.
Sat
28° 22°
Overcast with a 84% chance of rain.
Sun
32° 22°
Partly Cloudy with a 58% chance of rain.
Mon
31° 21°
Clear.
Tue
29° 21°
Rain, 82% chance.
Wed
30° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Partly Cloudy 46% 7 mph WSW 84%
11 PM 26° Overcast 55% 7 mph WNW 87%
12 AM 25° Mostly Cloudy 58% 6 mph WNW 90%
1 AM 24° Mostly Cloudy 44% 5 mph NW 91%
2 AM 24° Mostly Cloudy 60% 4 mph NNW 92%
3 AM 23° Mostly Cloudy 45% 6 mph NNW 91%
4 AM 23° Overcast 46% 8 mph N 91%
5 AM 21° Mostly Cloudy 34% 7 mph N 92%
6 AM 21° Overcast 34% 8 mph N 92%
7 AM 21° Mostly Cloudy 21% 8 mph N 91%
8 AM 21° Overcast 21% 9 mph N 90%
9 AM 22° Mostly Cloudy 30% 8 mph N 86%
10 AM 23° Mostly Cloudy 31% 8 mph N 83%
11 AM 23° Mostly Cloudy 31% 7 mph N 79%
12 PM 24° Partly Cloudy 35% 7 mph NNE 77%
1 PM 26° Mostly Cloudy 40% 6 mph NNE 76%
2 PM 26° Mostly Cloudy 48% 7 mph NNE 74%
3 PM 26° Mostly Cloudy 56% 6 mph NE 74%
4 PM 26° Partly Cloudy 56% 7 mph NE 73%
5 PM 27° Partly Cloudy 57% 6 mph NE 73%
6 PM 26° Partly Cloudy 57% 6 mph ENE 76%
7 PM 26° Partly Cloudy 58% 7 mph E 78%
8 PM 25° Partly Cloudy 62% 8 mph E 80%
9 PM 23° Mostly Cloudy 75% 7 mph ESE 81%
15-Day Forecast
Today
8/20
Partly Cloudy
46%
21°
33°
Fri
8/21
Mostly Cloudy
72%
21°
28°
Sat
8/22
Overcast
84%
22°
28°
Sun
8/23
Partly Cloudy
58%
22°
32°
Mon
8/24
Clear
16%
21°
31°
Tue
8/25
Rain
82%
21°
29°
Wed
8/26
Rain
71%
22°
30°
Thu
8/27
Rain
82%
23°
31°
Fri
8/28
Drizzle
44%
22°
31°
Sat
8/29
Rain
68%
22°
32°
Sun
8/30
Drizzle
60%
22°
33°
Mon
8/31
Rain
90%
22°
32°
Tue
9/1
Drizzle
60%
21°
30°
Wed
9/2
Drizzle
60%
21°
29°
Thu
9/3
Drizzle
60%
20°
29°
44
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
44 AQI 8.0 µg/m³
O3
Ground-level ozone
34 AQI 37 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 34 44
Sat 37 Good 37 27
Sun 35 Good 35 22
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 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE566 J/kg
MLCAPE519 J/kg
MUCAPE821 J/kg
SBCIN-217 J/kg
MLCIN-163 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear23 kt
0–1 km Shear18 kt
Eff. Shear23 kt
0–1 km SRH121
0–3 km SRH115
Eff. SRH115
Storm Motion281° @ 28 kt
0–1 km EHI0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.1
K-Index35.3
Thermo & Levels
PWAT2.03 in
0–3 km LR5.3 °C/km
700–500 LR5.2 °C/km
Total Totals44.2
LCL970 hPa
LFC776 hPa
EL254 hPa
Freezing Lvl15,594 ft