Northumberland County, Virginia, United States

Last updated: 11:21 PM CDT  ·  Refresh
24°C
Feels like 27°
Mostly Clear
▲ 32°  /  ▼ 23°
Wind
7 mph S
Humidity
90%
Dew Point
23°
Pressure
30.04 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
22%
Sunrise
6:35 AM
Sunset
7:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northumberland County is currently mostly clear at 24°C. Dry conditions are expected through the next 24 hours. Atmospheric instability is elevated (CAPE up to 1239 J/kg) — isolated convective development possible. Sunrise: 6:35AM · Sunset: 7:36PM.

Alerts

No active alerts for this location.
42 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
1 AM
23°
19%
2 AM
23°
3%
3 AM
23°
3%
4 AM
23°
3%
5 AM
23°
3%
6 AM
23°
5%
7 AM
23°
5%
8 AM
24°
10%
9 AM
27°
19%
10 AM
28°
23%
11 AM
30°
23%
12 PM
31°
23%
1 PM
32°
24%
2 PM
32°
26%
3 PM
32°
27%
4 PM
32°
30%
5 PM
30°
30%
6 PM
29°
33%
7 PM
29°
24%
8 PM
28°
19%
9 PM
27°
19%
10 PM
27°
17%
11 PM
26°
17%
7-Day Forecast
Today
32° 23°
Mostly Clear with a 33% chance of rain.
Tue
34° 23°
Mostly Clear with a 20% chance of rain.
Wed
33° 24°
Mostly Clear with a 54% chance of rain.
Thu
36° 23°
Rain, 67% chance.
Fri
32° 21°
Rain, 83% chance.
Sat
28° 19°
Rain, 69% chance.
Sun
26° 18°
Clear with a 70% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Clear 3% 7 mph S 90%
1 AM 23° Partly Cloudy 19% 7 mph SSW 88%
2 AM 23° Mostly Clear 3% 7 mph SSW 88%
3 AM 23° Mostly Clear 3% 7 mph SSW 88%
4 AM 23° Mostly Clear 3% 6 mph SW 89%
5 AM 23° Partly Cloudy 3% 6 mph SW 89%
6 AM 23° Mostly Clear 5% 5 mph SW 86%
7 AM 23° Mostly Clear 5% 4 mph SW 84%
8 AM 24° Mostly Clear 10% 4 mph WSW 80%
9 AM 27° Clear 19% 4 mph WSW 74%
10 AM 28° Clear 23% 3 mph W 68%
11 AM 30° Mostly Clear 23% 3 mph WNW 63%
12 PM 31° Mostly Clear 23% 2 mph N 61%
1 PM 32° Mostly Clear 24% 3 mph NE 59%
2 PM 32° Mostly Clear 26% 4 mph NE 58%
3 PM 32° Mostly Clear 27% 5 mph ENE 59%
4 PM 32° Partly Cloudy 30% 6 mph E 60%
5 PM 30° Partly Cloudy 30% 6 mph E 63%
6 PM 29° Partly Cloudy 33% 6 mph ESE 66%
7 PM 29° Partly Cloudy 24% 7 mph SE 70%
8 PM 28° Partly Cloudy 19% 7 mph SE 73%
9 PM 27° Partly Cloudy 19% 7 mph SE 76%
10 PM 27° Partly Cloudy 17% 6 mph SE 79%
11 PM 26° Partly Cloudy 17% 6 mph SE 81%
15-Day Forecast
Today
8/31
Mostly Clear
33%
23°
32°
Tue
9/1
Mostly Clear
20%
23°
34°
Wed
9/2
Mostly Clear
54%
24°
33°
Thu
9/3
Rain
67%
23°
36°
Fri
9/4
Rain
83%
21°
32°
Sat
9/5
Rain
69%
19°
28°
Sun
9/6
Clear
70%
18°
26°
Mon
9/7
Drizzle
34%
18°
26°
Tue
9/8
Rain
54%
18°
25°
Wed
9/9
Rain
59%
18°
27°
Thu
9/10
Clear
60%
18°
28°
Fri
9/11
Drizzle
60%
18°
28°
Sat
9/12
Drizzle
60%
19°
29°
Sun
9/13
Drizzle
60%
19°
29°
Mon
9/14
Drizzle
60%
19°
29°
42
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
30 AQI 5.5 µg/m³
O3
Ground-level ozone
Dominant
42 AQI 46 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 42 30
Tue 50 Good 50 44
Wed 52 Moderate 39 52
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 Mon Aug 31, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE855 J/kg
MLCAPE18 J/kg
MUCAPE878 J/kg
SBCIN-164 J/kg
MLCIN0 J/kg
Lifted Index-2.2
Kinematics
0–6 km Shear19 kt
0–1 km Shear13 kt
Eff. Shear20 kt
0–1 km SRH103
0–3 km SRH107
Eff. SRH107
Storm Motion331° @ 17 kt
0–1 km EHI0.6
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell1.0
K-Index28.2
Thermo & Levels
PWAT1.59 in
0–3 km LR5.3 °C/km
700–500 LR5.2 °C/km
Total Totals39.2
LCL991 hPa
LFC817 hPa
EL196 hPa
Freezing Lvl15,564 ft