King William County, Virginia, United States

Last updated: 10:37 PM CDT · Refresh

23°C

Feels like 27°

Rain

▲ 31° / ▼ 22°

Wind

6 mph WSW

Humidity

96%

Dew Point

23°

Pressure

29.67 inHg

Visibility

10 mi

UV Index

0.0

Cloud Cover

93%

Sunrise

6:03 AM

Sunset

8:25 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: King William County is currently rain at 23°C. Precipitation is likely — peak probability 90% around 11 PM. Atmospheric instability is elevated (CAPE up to 1535 J/kg) — isolated convective development possible. Sunrise: 6:03AM · Sunset: 8:25PM.

45 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

23°

90%

12 AM

23°

90%

1 AM

23°

90%

2 AM

23°

90%

3 AM

23°

84%

4 AM

23°

75%

5 AM

22°

56%

6 AM

22°

57%

7 AM

23°

69%

8 AM

24°

60%

9 AM

25°

69%

10 AM

26°

69%

11 AM

27°

70%

12 PM

28°

57%

1 PM

28°

66%

2 PM

28°

71%

3 PM

28°

69%

4 PM

28°

70%

5 PM

28°

74%

6 PM

27°

79%

7 PM

26°

80%

8 PM

26°

76%

9 PM

25°

77%

10 PM

24°

77%

7-Day Forecast

Tonight

31° 22°

Rain, 90% chance.

Wed

29° 22°

Partly Cloudy with a 90% chance of rain.

Thu

27° 18°

Partly Cloudy with a 38% chance of rain.

Fri

28° 17°

Partly Cloudy with a 60% chance of rain.

Sat

25° 18°

Drizzle, 45% chance.

Sun

30° 18°

Rain, 82% chance.

Mon

33° 18°

Rain, 63% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 23° Rain 90% 6 mph WSW 96%

12 AM 23° Rain 90% 3 mph SW 98%

1 AM 23° Rain 90% 4 mph S 98%

2 AM 23° Heavy Rain 90% 4 mph S 98%

3 AM 23° Mostly Cloudy 84% 6 mph SSW 96%

4 AM 23° Mostly Cloudy 75% 9 mph SSW 94%

5 AM 22° Mostly Cloudy 56% 10 mph SSW 92%

6 AM 22° Mostly Cloudy 57% 10 mph SW 91%

7 AM 23° Partly Cloudy 69% 10 mph SW 90%

8 AM 24° Partly Cloudy 60% 10 mph SW 86%

9 AM 25° Partly Cloudy 69% 11 mph SW 81%

10 AM 26° Mostly Cloudy 69% 11 mph SW 76%

11 AM 27° Rain 70% 11 mph SW 72%

12 PM 28° Heavy Rain 57% 11 mph SW 68%

1 PM 28° Heavy Rain 66% 11 mph SW 64%

2 PM 28° Mostly Cloudy 71% 10 mph SW 63%

3 PM 28° Partly Cloudy 69% 10 mph SW 65%

4 PM 28° Partly Cloudy 70% 10 mph SSW 67%

5 PM 28° Partly Cloudy 74% 8 mph SSW 71%

6 PM 27° Partly Cloudy 79% 7 mph SSW 76%

7 PM 26° Partly Cloudy 80% 6 mph SSW 82%

8 PM 26° Mostly Cloudy 76% 5 mph SSW 86%

9 PM 25° Mostly Cloudy 77% 5 mph SSW 90%

10 PM 24° Heavy Rain 77% 5 mph SSW 93%

15-Day Forecast

Today

7/21

Rain

90%

22°

31°

Wed

7/22

Partly Cloudy

90%

22°

29°

Thu

7/23

Partly Cloudy

38%

18°

27°

Fri

7/24

Partly Cloudy

60%

17°

28°

Sat

7/25

Drizzle

45%

18°

25°

Sun

7/26

Rain

82%

18°

30°

Mon

7/27

Rain

63%

18°

33°

Tue

7/28

Thunderstorm

63%

21°

34°

Wed

7/29

Rain

69%

19°

31°

Thu

7/30

Drizzle

44%

18°

29°

Fri

7/31

Drizzle

60%

17°

29°

Sat

8/1

Drizzle

60%

19°

29°

Sun

8/2

Drizzle

60%

19°

29°

Mon

8/3

Drizzle

60%

20°

31°

Tue

8/4

Drizzle

60%

21°

32°

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

PM_2.5

Fine particulate matter

Dominant

45 AQI 8.1 µg/m³

O₃

Ground-level ozone

35 AQI 39 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Today 45 Good 35 45

Thu 51 Moderate 39 51

Fri 28 Good 28 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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Wed Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE416 J/kg

MLCAPE791 J/kg

MUCAPE1090 J/kg

SBCIN-69 J/kg

MLCIN0 J/kg

Lifted Index-1.6

Kinematics

0–6 km Shear39 kt

0–1 km Shear25 kt

Eff. Shear39 kt

0–1 km SRH-107

0–3 km SRH-114

Eff. SRH-114

Storm Motion224° @ 37 kt

0–1 km EHI-0.3

Composite Parameters

Sig. Tornado0.0

STP (eff)0.0

Supercell0.0

K-Index39.4

Thermo & Levels

PWAT2.52 in

0–3 km LR5.0 °C/km

700–500 LR4.9 °C/km

Total Totals46.8

LCL995 hPa

LFC768 hPa

EL250 hPa

Freezing Lvl15,397 ft

King William County, Virginia, United States

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