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: 5:13 PM CDT  ·  Refresh
36°C
Feels like 40°
Partly Cloudy
▲ 37°  /  ▼ 23°
Wind
6 mph S
Humidity
43%
Dew Point
22°
Pressure
29.81 inHg
Visibility
9 mi
UV Index
4.9
Cloud Cover
48%
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 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 2475 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
36°
16%
7 PM
33°
34%
8 PM
32°
34%
9 PM
31°
34%
10 PM
29°
34%
11 PM
28°
23%
12 AM
28°
23%
1 AM
27°
23%
2 AM
27°
3%
3 AM
26°
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°
17%
11 AM
30°
20%
12 PM
31°
20%
1 PM
35°
21%
2 PM
36°
21%
3 PM
36°
25%
4 PM
35°
26%
5 PM
35°
37%
7-Day Forecast
Tonight
37° 23°
Partly Cloudy with a 34% chance of rain.
Sun
37° 23°
Partly Cloudy with a 41% chance of rain.
Mon
34° 23°
Heavy Rain, 90% chance.
Tue
31° 22°
Rain, 81% chance.
Wed
31° 18°
Partly Cloudy with a 48% chance of rain.
Thu
34° 21°
Rain, 70% chance.
Fri
36° 23°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Partly Cloudy 16% 6 mph S 43%
7 PM 33° Mostly Cloudy 34% 6 mph WSW 51%
8 PM 32° Mostly Cloudy 34% 6 mph WSW 57%
9 PM 31° Overcast 34% 6 mph WNW 62%
10 PM 29° Mostly Cloudy 34% 5 mph SE 65%
11 PM 28° Mostly Cloudy 23% 5 mph SSE 69%
12 AM 28° Mostly Cloudy 23% 4 mph S 70%
1 AM 27° Mostly Cloudy 23% 4 mph S 73%
2 AM 27° Mostly Cloudy 3% 4 mph S 74%
3 AM 26° Partly Cloudy 3% 3 mph S 76%
4 AM 26° Partly Cloudy 3% 3 mph SSE 79%
5 AM 23° Mostly Clear 3% 3 mph ESE 80%
6 AM 24° Mostly Clear 3% 4 mph SE 79%
7 AM 24° Partly Cloudy 3% 4 mph SSE 76%
8 AM 26° Partly Cloudy 3% 5 mph S 72%
9 AM 27° Partly Cloudy 8% 5 mph S 65%
10 AM 28° Partly Cloudy 17% 5 mph SSW 58%
11 AM 30° Partly Cloudy 20% 5 mph SSW 52%
12 PM 31° Partly Cloudy 20% 5 mph S 49%
1 PM 35° Mostly Cloudy 21% 5 mph S 45%
2 PM 36° Mostly Cloudy 21% 6 mph S 43%
3 PM 36° Partly Cloudy 25% 6 mph S 43%
4 PM 35° Partly Cloudy 26% 7 mph SSE 43%
5 PM 35° Partly Cloudy 37% 7 mph SSE 43%
15-Day Forecast
Today
7/4
Partly Cloudy
34%
23°
37°
Sun
7/5
Partly Cloudy
41%
23°
37°
Mon
7/6
Heavy Rain
90%
23°
34°
Tue
7/7
Rain
81%
22°
31°
Wed
7/8
Partly Cloudy
48%
18°
31°
Thu
7/9
Rain
70%
21°
34°
Fri
7/10
Rain
63%
23°
36°
Sat
7/11
Drizzle
63%
22°
34°
Sun
7/12
Rain
69%
22°
32°
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, 20:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE3461 J/kg
MLCAPE2961 J/kg
MUCAPE3461 J/kg
SBCIN-90 J/kg
MLCIN0 J/kg
Lifted Index-8.1
Kinematics
0–6 km Shear11 kt
0–1 km Shear7 kt
Eff. Shear14 kt
0–1 km SRH-12
0–3 km SRH-29
Eff. SRH-29
Storm Motion184° @ 22 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index27.8
Thermo & Levels
PWAT1.70 in
0–3 km LR7.8 °C/km
700–500 LR6.7 °C/km
Total Totals53.0
LCL831 hPa
LFC754 hPa
EL154 hPa
Freezing Lvl14,652 ft