Frost Advisory — Middlesex, NJ, Western Monmouth, NJ, Mercer, NJ, Salem, NJ, Gloucester, NJ, Camden, NJ, Northwestern Burlington, NJ, Ocean, NJ, Cumberland, NJ, Atlantic, NJ, Southeastern Burlington, NJ, Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA 8:00 AM

Salem County, New Jersey, United States

Last updated: 3:20 AM CDT  ·  Refresh
3°C
Feels like 2°
Partly Cloudy
▲ 18°  /  ▼ 3°
Wind
3 mph NNE
Humidity
80%
Dew Point
1°
Pressure
30.42 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
36%
Sunrise
7:21 AM
Sunset
6:09 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Salem County is currently partly cloudy at 3°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:21AM · Sunset: 6:09PM.

Alerts

Frost Advisory
Middlesex, NJ, Western Monmouth, NJ, Mercer, NJ, Salem, NJ, Gloucester, NJ, Camden, NJ, Northwestern Burlington, NJ, Ocean, NJ, Cumberland, NJ, Atlantic, NJ, Southeastern Burlington, NJ, Delaware, PA, Philadelphia, PA, Eastern Chester, PA, Eastern Montgomery, PA, Lower Bucks, PA
Expires 8:00 AM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
3°
17%
5 AM
3°
5%
6 AM
3°
7%
7 AM
3°
9%
8 AM
4°
11%
9 AM
8°
13%
10 AM
10°
3%
11 AM
13°
3%
12 PM
14°
3%
1 PM
17°
3%
2 PM
18°
3%
3 PM
17°
3%
4 PM
17°
3%
5 PM
15°
3%
6 PM
13°
3%
7 PM
12°
3%
8 PM
11°
3%
9 PM
10°
3%
10 PM
9°
3%
11 PM
8°
3%
12 AM
8°
3%
1 AM
8°
3%
2 AM
7°
3%
3 AM
7°
3%
7-Day Forecast
Today
18° 3°
Clear.
Sun
20° 5°
Clear.
Mon
22° 4°
Fog.
Tue
19° 7°
Clear.
Wed
19° 7°
Clear.
Thu
21° 7°
Clear.
Fri
24° 9°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 3° Partly Cloudy 17% 3 mph NNE 80%
5 AM 3° Partly Cloudy 5% 4 mph N 76%
6 AM 3° Partly Cloudy 7% 4 mph N 76%
7 AM 3° Mostly Clear 9% 4 mph NNE 78%
8 AM 4° Mostly Clear 11% 4 mph N 77%
9 AM 8° Mostly Clear 13% 4 mph N 72%
10 AM 10° Clear 3% 5 mph N 66%
11 AM 13° Clear 3% 4 mph N 59%
12 PM 14° Clear 3% 3 mph NNE 53%
1 PM 17° Clear 3% 2 mph NNE 47%
2 PM 18° Clear 3% 2 mph NE 44%
3 PM 17° Clear 3% 2 mph NNE 45%
4 PM 17° Clear 3% 2 mph N 47%
5 PM 15° Clear 3% 2 mph NNW 49%
6 PM 13° Clear 3% 2 mph WNW 52%
7 PM 12° Clear 3% 2 mph SW 55%
8 PM 11° Clear 3% 2 mph SW 58%
9 PM 10° Clear 3% 2 mph SW 61%
10 PM 9° Clear 3% 2 mph SW 63%
11 PM 8° Clear 3% 2 mph WSW 66%
12 AM 8° Clear 3% 2 mph W 69%
1 AM 8° Clear 3% 2 mph W 72%
2 AM 7° Clear 3% 2 mph WNW 74%
3 AM 7° Clear 3% 2 mph WNW 76%
15-Day Forecast
Today
10/24
Clear
17%
3°
18°
Sun
10/25
Clear
7%
5°
20°
Mon
10/26
Fog
17%
4°
22°
Tue
10/27
Clear
3%
7°
19°
Wed
10/28
Clear
3%
7°
19°
Thu
10/29
Clear
3%
7°
21°
Fri
10/30
Clear
3%
9°
24°
Sat
10/31
Clear
18%
10°
23°
Sun
11/1
Drizzle
44%
9°
22°
Mon
11/2
Drizzle
75%
9°
21°
Tue
11/3
Drizzle
90%
11°
22°
Wed
11/4
Drizzle
60%
8°
19°
Thu
11/5
Drizzle
60%
8°
18°
Fri
11/6
Drizzle
60%
8°
19°
Sat
11/7
Drizzle
60%
9°
20°
28
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
20 AQI 3.7 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 31 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 20
Sun 32 Good 32 18
Mon 31 Good 31 23
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 Sat Oct 24, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE27 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index22.5
Kinematics
0–6 km Shear12 kt
0–1 km Shear9 kt
Eff. Shear—
0–1 km SRH-44
0–3 km SRH-16
Eff. SRH—
Storm Motion38° @ 19 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-55.6
Thermo & Levels
PWAT0.24 in
0–3 km LR1.0 °C/km
700–500 LR6.7 °C/km
Total Totals3.4
LCL992 hPa
LFC—
EL—
Freezing Lvl10,515 ft