Johnston County, North Carolina, United States

Last updated: 9:07 PM CDT  ·  Refresh
24°C
Feels like 25°
Clear
▲ 29°  /  ▼ 18°
Wind
3 mph ESE
Humidity
55%
Dew Point
15°
Pressure
29.86 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
7%
Sunrise
5:59 AM
Sunset
8:32 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Johnston County is currently clear at 25°C. Dry conditions are expected through the next 24 hours. Sunrise: 5:59AM · Sunset: 8:32PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
3%
11 PM
23°
21%
12 AM
22°
21%
1 AM
22°
14%
2 AM
21°
3%
3 AM
19°
3%
4 AM
19°
3%
5 AM
19°
3%
6 AM
19°
3%
7 AM
20°
3%
8 AM
21°
3%
9 AM
23°
3%
10 AM
26°
3%
11 AM
27°
3%
12 PM
28°
3%
1 PM
29°
3%
2 PM
30°
3%
3 PM
31°
3%
4 PM
31°
3%
5 PM
32°
3%
6 PM
31°
3%
7 PM
30°
3%
8 PM
29°
3%
9 PM
28°
3%
7-Day Forecast
Tonight
29° 18°
Clear.
Thu
32° 19°
Mostly Cloudy.
Fri
33° 19°
Drizzle, 59% chance.
Sat
34° 19°
Rain, 58% chance.
Sun
33° 21°
Rain, 66% chance.
Mon
32° 19°
Clear with a 34% chance of rain.
Tue
33° 18°
Clear with a 21% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 24° Clear 3% 3 mph ESE 55%
11 PM 23° Clear 21% 4 mph ESE 59%
12 AM 22° Rain 21% 4 mph SE 65%
1 AM 22° Drizzle 14% 5 mph SE 72%
2 AM 21° Clear 3% 5 mph SSE 79%
3 AM 19° Clear 3% 4 mph SSE 82%
4 AM 19° Mostly Clear 3% 4 mph SSE 85%
5 AM 19° Mostly Clear 3% 3 mph SSE 87%
6 AM 19° Partly Cloudy 3% 3 mph SSE 85%
7 AM 20° Mostly Cloudy 3% 3 mph SSE 82%
8 AM 21° Mostly Cloudy 3% 4 mph S 77%
9 AM 23° Mostly Cloudy 3% 5 mph S 70%
10 AM 26° Mostly Cloudy 3% 6 mph S 62%
11 AM 27° Mostly Cloudy 3% 6 mph S 55%
12 PM 28° Mostly Cloudy 3% 6 mph SSW 51%
1 PM 29° Mostly Cloudy 3% 6 mph SSW 46%
2 PM 30° Mostly Cloudy 3% 6 mph SSW 42%
3 PM 31° Mostly Cloudy 3% 6 mph SSW 41%
4 PM 31° Partly Cloudy 3% 6 mph S 40%
5 PM 32° Partly Cloudy 3% 6 mph S 40%
6 PM 31° Partly Cloudy 3% 6 mph S 43%
7 PM 30° Partly Cloudy 3% 6 mph S 46%
8 PM 29° Partly Cloudy 3% 6 mph SSE 49%
9 PM 28° Mostly Clear 3% 7 mph SSE 53%
15-Day Forecast
Today
6/24
Clear
3%
18°
29°
Thu
6/25
Mostly Cloudy
14%
19°
32°
Fri
6/26
Drizzle
59%
19°
33°
Sat
6/27
Rain
58%
19°
34°
Sun
6/28
Rain
66%
21°
33°
Mon
6/29
Clear
34%
19°
32°
Tue
6/30
Clear
21%
18°
33°
Wed
7/1
Clear
21%
19°
35°
Thu
7/2
Rain
72%
19°
36°
Fri
7/3
Drizzle
54%
20°
38°
Sat
7/4
Clear
54%
22°
40°
Sun
7/5
Clear
66%
23°
40°
Mon
7/6
Drizzle
66%
22°
41°
Tue
7/7
Drizzle
66%
22°
41°
Wed
7/8
Drizzle
66%
22°
41°
52
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
52 AQI 9.9 µg/m³
O3
Ground-level ozone
47 AQI 52 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 47 52
Fri 54 Moderate 46 54
Sat 55 Moderate 46 55
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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Wed Jun 24, 23:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE4 J/kg
MUCAPE0 J/kg
SBCIN-7004 J/kg
MLCIN0 J/kg
Lifted Index5.5
Kinematics
0–6 km Shear21 kt
0–1 km Shear4 kt
Eff. Shear—
0–1 km SRH-20
0–3 km SRH-24
Eff. SRH—
Storm Motion192° @ 18 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado-0.0
STP (eff)—
Supercell—
K-Index6.0
Thermo & Levels
PWAT1.06 in
0–3 km LR5.2 °C/km
700–500 LR5.6 °C/km
Total Totals37.0
LCL879 hPa
LFC—
EL—
Freezing Lvl15,633 ft