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

Northumberland County, Virginia, United States

Last updated: 3:04 PM CDT  ·  Refresh
36°C
Feels like 43°
Partly Cloudy
▲ 36°  /  ▼ 24°
Wind
4 mph SE
Humidity
51%
Dew Point
24°
Pressure
29.84 inHg
Visibility
10 mi
UV Index
7.3
Cloud Cover
54%
Sunrise
5:48 AM
Sunset
8:31 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently partly cloudy at 36°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 3725 J/kg) — isolated convective development possible. Sunrise: 5:48AM · 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
65 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
36°
35%
5 PM
36°
33%
6 PM
34°
32%
7 PM
31°
31%
8 PM
29°
19%
9 PM
29°
19%
10 PM
28°
19%
11 PM
28°
7%
12 AM
27°
8%
1 AM
26°
8%
2 AM
25°
8%
3 AM
24°
8%
4 AM
24°
8%
5 AM
24°
5%
6 AM
24°
5%
7 AM
26°
5%
8 AM
26°
3%
9 AM
27°
5%
10 AM
29°
5%
11 AM
31°
9%
12 PM
31°
9%
1 PM
31°
9%
2 PM
32°
9%
3 PM
33°
17%
7-Day Forecast
Today
36° 24°
Mostly Cloudy with a 35% chance of rain.
Sun
34° 24°
Partly Cloudy with a 34% chance of rain.
Mon
31° 24°
Mostly Cloudy with a 85% chance of rain.
Tue
29° 22°
Mostly Cloudy with a 36% chance of rain.
Wed
27° 21°
Clear with a 29% chance of rain.
Thu
33° 22°
Rain, 82% chance.
Fri
34° 23°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 36° Partly Cloudy 35% 4 mph SE 51%
5 PM 36° Partly Cloudy 33% 6 mph SE 50%
6 PM 34° Partly Cloudy 32% 5 mph ESE 56%
7 PM 31° Mostly Cloudy 31% 7 mph E 64%
8 PM 29° Mostly Cloudy 19% 8 mph NE 72%
9 PM 29° Mostly Cloudy 19% 6 mph ENE 71%
10 PM 28° Mostly Cloudy 19% 6 mph SSW 70%
11 PM 28° Mostly Cloudy 7% 6 mph S 68%
12 AM 27° Mostly Cloudy 8% 3 mph W 72%
1 AM 26° Mostly Cloudy 8% 4 mph WNW 77%
2 AM 25° Partly Cloudy 8% 5 mph NW 82%
3 AM 24° Mostly Clear 8% 4 mph NNW 84%
4 AM 24° Mostly Clear 8% 4 mph ENE 85%
5 AM 24° Partly Cloudy 5% 5 mph SE 87%
6 AM 24° Partly Cloudy 5% 5 mph SE 86%
7 AM 26° Partly Cloudy 5% 4 mph SE 84%
8 AM 26° Mostly Cloudy 3% 5 mph SE 81%
9 AM 27° Mostly Cloudy 5% 5 mph SE 76%
10 AM 29° Partly Cloudy 5% 4 mph SE 70%
11 AM 31° Partly Cloudy 9% 4 mph SE 66%
12 PM 31° Partly Cloudy 9% 5 mph ESE 65%
1 PM 31° Mostly Cloudy 9% 6 mph ESE 63%
2 PM 32° Mostly Cloudy 9% 6 mph ESE 62%
3 PM 33° Partly Cloudy 17% 8 mph ESE 61%
15-Day Forecast
Today
7/4
Mostly Cloudy
35%
24°
36°
Sun
7/5
Partly Cloudy
34%
24°
34°
Mon
7/6
Mostly Cloudy
85%
24°
31°
Tue
7/7
Mostly Cloudy
36%
22°
29°
Wed
7/8
Clear
29%
21°
27°
Thu
7/9
Rain
82%
22°
33°
Fri
7/10
Drizzle
63%
23°
34°
Sat
7/11
Drizzle
42%
22°
31°
Sun
7/12
Drizzle
68%
22°
31°
Mon
7/13
Rain
68%
21°
29°
Tue
7/14
Drizzle
64%
21°
29°
Wed
7/15
Drizzle
60%
21°
29°
Thu
7/16
Drizzle
90%
22°
31°
Fri
7/17
Drizzle
60%
21°
30°
Sat
7/18
Drizzle
60%
22°
30°
65
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
65 AQI 16.5 µg/m³
O3
Ground-level ozone
64 AQI 60 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 65 Moderate 64 65
Mon 54 Moderate 43 54
Tue 43 Good 41 43
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
SBCAPE4789 J/kg
MLCAPE3508 J/kg
MUCAPE4789 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-9.9
Kinematics
0–6 km Shear16 kt
0–1 km Shear5 kt
Eff. Shear22 kt
0–1 km SRH-13
0–3 km SRH-63
Eff. SRH-63
Storm Motion204° @ 20 kt
0–1 km EHI-0.4
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index26.0
Thermo & Levels
PWAT1.67 in
0–3 km LR7.8 °C/km
700–500 LR6.7 °C/km
Total Totals51.2
LCL859 hPa
LFC1011 hPa
EL138 hPa
Freezing Lvl14,495 ft