Severe Thunderstorm Watch 9:00 PM Severe Thunderstorm Watch 9:00 PM Excessive Heat Warning — Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Sussex, VA, Surry, VA, James City, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Mecklenburg, VA, Lunenburg, VA, Brunswick, VA, Greensville, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Accomack, VA, Northampton, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Eastern Currituck, NC 7:00 PM Heat Advisory — Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Mecklenburg, VA, Lunenburg, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Brunswick, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Greensville, VA, Sussex, VA, Surry, VA, James City, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Accomack, VA, Northampton, VA, Eastern Currituck, NC 7:00 PM

James City County, Virginia, United States

Last updated: 3:13 PM CDT  ·  Refresh
39°C
Feels like 43°
Partly Cloudy
▲ 39°  /  ▼ 23°
Wind
6 mph S
Humidity
36%
Dew Point
22°
Pressure
29.82 inHg
Visibility
9 mi
UV Index
7.5
Cloud Cover
47%
Sunrise
5:51 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: James City County is currently partly cloudy at 39°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2882 J/kg) — isolated convective development possible. Sunrise: 5:51AM · Sunset: 8:31PM.

Alerts

Severe Thunderstorm Watch
Expires 9:00 PM
Severe Thunderstorm Watch
Expires 9:00 PM
Excessive Heat Warning
Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Sussex, VA, Surry, VA, James City, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Mecklenburg, VA, Lunenburg, VA, Brunswick, VA, Greensville, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Accomack, VA, Northampton, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Eastern Currituck, NC
Expires 7:00 PM
Heat Advisory
Dorchester, MD, Wicomico, MD, Somerset, MD, Inland Worcester, MD, Northampton, NC, Hertford, NC, Gates, NC, Pasquotank, NC, Camden, NC, Western Currituck, NC, Bertie, NC, Chowan, NC, Perquimans, NC, Fluvanna, VA, Prince Edward, VA, Cumberland, VA, Goochland, VA, Caroline, VA, Mecklenburg, VA, Lunenburg, VA, Nottoway, VA, Amelia, VA, Powhatan, VA, Westmoreland, VA, Richmond, VA, Northumberland, VA, Lancaster, VA, Brunswick, VA, Dinwiddie, VA, Prince George, VA, Charles City, VA, New Kent, VA, Gloucester, VA, Middlesex, VA, Mathews, VA, Greensville, VA, Sussex, VA, Surry, VA, James City, VA, Southampton, VA, Chesapeake, VA, Virginia Beach, VA, Western Louisa, VA, Eastern Louisa, VA, Western Hanover, VA, Eastern Hanover, VA, Western Chesterfield, VA, Eastern Chesterfield (Including Col. Heights), VA, Western Henrico (Including the City of Richmond), VA, Eastern Henrico, VA, Western King William, VA, Eastern King William, VA, Western King and Queen, VA, Eastern King and Queen, VA, Western Essex, VA, Eastern Essex, VA, York, VA, Newport News, VA, Hampton/Poquoson, VA, Isle of Wight, VA, Suffolk, VA, Norfolk, VA, Portsmouth, VA, Accomack, VA, Northampton, VA, Eastern Currituck, NC
Expires 7:00 PM
61 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
39°
8%
5 PM
39°
15%
6 PM
38°
15%
7 PM
35°
15%
8 PM
33°
15%
9 PM
31°
15%
10 PM
29°
15%
11 PM
29°
4%
12 AM
28°
4%
1 AM
28°
5%
2 AM
27°
3%
3 AM
27°
3%
4 AM
26°
3%
5 AM
23°
3%
6 AM
24°
3%
7 AM
24°
3%
8 AM
26°
3%
9 AM
27°
8%
10 AM
28°
18%
11 AM
31°
21%
12 PM
32°
21%
1 PM
33°
21%
2 PM
34°
22%
3 PM
36°
29%
7-Day Forecast
Today
39° 23°
Mostly Cloudy.
Sun
37° 23°
Partly Cloudy with a 29% chance of rain.
Mon
34° 23°
Heavy Rain, 90% chance.
Tue
31° 22°
Partly Cloudy with a 66% chance of rain.
Wed
31° 20°
Drizzle, 51% chance.
Thu
34° 21°
Rain, 70% chance.
Fri
36° 23°
Drizzle, 82% chance.
TimeTempConditionsPrecipWindHumidity
Now 39° Partly Cloudy 8% 6 mph S 36%
5 PM 39° Partly Cloudy 15% 7 mph S 35%
6 PM 38° Partly Cloudy 15% 6 mph S 41%
7 PM 35° Mostly Cloudy 15% 7 mph S 47%
8 PM 33° Mostly Cloudy 15% 6 mph SSW 53%
9 PM 31° Mostly Cloudy 15% 6 mph WSW 57%
10 PM 29° Mostly Cloudy 15% 5 mph SSE 61%
11 PM 29° Mostly Cloudy 4% 6 mph SSE 65%
12 AM 28° Mostly Cloudy 4% 5 mph SSE 68%
1 AM 28° Mostly Cloudy 5% 5 mph S 71%
2 AM 27° Mostly Cloudy 3% 5 mph SSW 73%
3 AM 27° Partly Cloudy 3% 4 mph S 75%
4 AM 26° Partly Cloudy 3% 2 mph SSE 77%
5 AM 23° Partly Cloudy 3% 2 mph ESE 78%
6 AM 24° Partly Cloudy 3% 3 mph SE 77%
7 AM 24° Partly Cloudy 3% 4 mph SSE 74%
8 AM 26° Partly Cloudy 3% 4 mph S 70%
9 AM 27° Partly Cloudy 8% 4 mph S 64%
10 AM 28° Partly Cloudy 18% 4 mph S 58%
11 AM 31° Partly Cloudy 21% 4 mph S 53%
12 PM 32° Partly Cloudy 21% 5 mph S 50%
1 PM 33° Partly Cloudy 21% 5 mph SSE 47%
2 PM 34° Partly Cloudy 22% 5 mph SSE 45%
3 PM 36° Partly Cloudy 29% 6 mph SSE 45%
15-Day Forecast
Today
7/4
Mostly Cloudy
15%
23°
39°
Sun
7/5
Partly Cloudy
29%
23°
37°
Mon
7/6
Heavy Rain
90%
23°
34°
Tue
7/7
Partly Cloudy
66%
22°
31°
Wed
7/8
Drizzle
51%
20°
31°
Thu
7/9
Rain
70%
21°
34°
Fri
7/10
Drizzle
82%
23°
36°
Sat
7/11
Drizzle
42%
22°
34°
Sun
7/12
Rain
68%
22°
33°
Mon
7/13
Rain
68%
21°
31°
Tue
7/14
Drizzle
60%
20°
31°
Wed
7/15
Rain
90%
21°
31°
Thu
7/16
Drizzle
60%
22°
33°
Fri
7/17
Drizzle
60%
22°
32°
Sat
7/18
Drizzle
60%
21°
32°
61
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
61 AQI 14.7 µg/m³
O3
Ground-level ozone
41 AQI 45 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 61 Moderate 41 61
Mon 53 Moderate 30 53
Tue 46 Good 39 46
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 Sat Jul 4, 18:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4091 J/kg
MLCAPE3118 J/kg
MUCAPE4091 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-8.7
Kinematics
0–6 km Shear8 kt
0–1 km Shear2 kt
Eff. Shear12 kt
0–1 km SRH-8
0–3 km SRH-30
Eff. SRH-30
Storm Motion193° @ 20 kt
0–1 km EHI-0.2
Composite Parameters
Sig. Tornado-0.0
STP (eff)0.0
Supercell0.0
K-Index22.6
Thermo & Levels
PWAT1.61 in
0–3 km LR8.8 °C/km
700–500 LR6.7 °C/km
Total Totals51.0
LCL800 hPa
LFC1010 hPa
EL149 hPa
Freezing Lvl14,603 ft