Somerset County, New Jersey, United States

Last updated: 10:26 PM CDT  ·  Refresh
18°C
Feels like 18°
Mostly Cloudy
▲ 25°  /  ▼ 16°
Wind
7 mph N
Humidity
88%
Dew Point
17°
Pressure
29.87 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
79%
Sunrise
6:14 AM
Sunset
7:48 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Somerset County is currently mostly cloudy at 18°C. Precipitation is likely — peak probability 72% around 1 AM. Sunrise: 6:14AM · Sunset: 7:48PM.

Alerts

No active alerts for this location.
30 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
18°
41%
12 AM
18°
45%
1 AM
18°
72%
2 AM
18°
61%
3 AM
17°
43%
4 AM
17°
14%
5 AM
16°
7%
6 AM
16°
7%
7 AM
17°
7%
8 AM
18°
7%
9 AM
19°
8%
10 AM
21°
8%
11 AM
22°
8%
12 PM
23°
3%
1 PM
26°
3%
2 PM
26°
3%
3 PM
26°
3%
4 PM
26°
3%
5 PM
26°
5%
6 PM
24°
5%
7 PM
24°
5%
8 PM
23°
5%
9 PM
22°
12%
10 PM
21°
16%
7-Day Forecast
Tonight
25° 16°
Mostly Cloudy with a 41% chance of rain.
Fri
27° 16°
Mostly Clear with a 61% chance of rain.
Sat
25° 18°
Rain, 77% chance.
Sun
29° 18°
Mostly Cloudy with a 54% chance of rain.
Mon
28° 17°
Clear.
Tue
28° 16°
Rain, 61% chance.
Wed
30° 18°
Drizzle, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 18° Mostly Cloudy 41% 7 mph N 88%
12 AM 18° Overcast 45% 8 mph N 87%
1 AM 18° Overcast 72% 8 mph N 85%
2 AM 18° Overcast 61% 7 mph N 84%
3 AM 17° Mostly Cloudy 43% 7 mph NNW 83%
4 AM 17° Partly Cloudy 14% 6 mph NNW 83%
5 AM 16° Mostly Clear 7% 7 mph NNW 82%
6 AM 16° Mostly Clear 7% 7 mph N 80%
7 AM 17° Mostly Clear 7% 7 mph N 78%
8 AM 18° Mostly Clear 7% 8 mph N 75%
9 AM 19° Mostly Clear 8% 8 mph N 70%
10 AM 21° Mostly Clear 8% 8 mph NNE 66%
11 AM 22° Mostly Clear 8% 8 mph NNE 62%
12 PM 23° Mostly Clear 3% 7 mph NNE 60%
1 PM 26° Partly Cloudy 3% 6 mph NNE 58%
2 PM 26° Partly Cloudy 3% 5 mph NNE 57%
3 PM 26° Partly Cloudy 3% 4 mph NNE 57%
4 PM 26° Partly Cloudy 3% 4 mph NNE 56%
5 PM 26° Partly Cloudy 5% 3 mph NNE 59%
6 PM 24° Partly Cloudy 5% 3 mph NE 64%
7 PM 24° Mostly Clear 5% 4 mph NE 70%
8 PM 23° Mostly Clear 5% 4 mph ENE 74%
9 PM 22° Mostly Clear 12% 3 mph ENE 77%
10 PM 21° Mostly Clear 16% 3 mph E 81%
15-Day Forecast
Today
8/20
Mostly Cloudy
41%
16°
25°
Fri
8/21
Mostly Clear
61%
16°
27°
Sat
8/22
Rain
77%
18°
25°
Sun
8/23
Mostly Cloudy
54%
18°
29°
Mon
8/24
Clear
8%
17°
28°
Tue
8/25
Rain
61%
16°
28°
Wed
8/26
Drizzle
71%
18°
30°
Thu
8/27
Rain
82%
18°
29°
Fri
8/28
Rain
69%
19°
30°
Sat
8/29
Rain
68%
19°
30°
Sun
8/30
Rain
77%
19°
31°
Mon
8/31
Drizzle
60%
19°
29°
Tue
9/1
Drizzle
60%
19°
29°
Wed
9/2
Drizzle
60%
19°
29°
Thu
9/3
Drizzle
60%
19°
28°
30
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
28 AQI 5.1 µg/m³
O3
Ground-level ozone
Dominant
30 AQI 33 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 30 Good 30 28
Sat 47 Good 47 30
Sun 46 Good 22 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 LCL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Fri Aug 21, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE7 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index6.1
Kinematics
0–6 km Shear31 kt
0–1 km Shear20 kt
Eff. Shear—
0–1 km SRH-26
0–3 km SRH95
Eff. SRH—
Storm Motion330° @ 23 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index30.4
Thermo & Levels
PWAT1.74 in
0–3 km LR3.6 °C/km
700–500 LR5.5 °C/km
Total Totals41.7
LCL989 hPa
LFC—
EL—
Freezing Lvl14,928 ft