Somerset County, New Jersey, United States

Last updated: 9:10 PM CDT  ·  Refresh
18°C
Feels like 18°
Mostly Cloudy
▲ 25°  /  ▼ 16°
Wind
10 mph NNE
Humidity
90%
Dew Point
17°
Pressure
29.86 inHg
Visibility
6 mi
UV Index
0.0
Cloud Cover
69%
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. Dry conditions are expected through the next 24 hours. 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°
24%
11 PM
18°
40%
12 AM
18°
40%
1 AM
18°
36%
2 AM
18°
28%
3 AM
17°
27%
4 AM
17°
15%
5 AM
16°
7%
6 AM
16°
7%
7 AM
17°
7%
8 AM
17°
8%
9 AM
19°
8%
10 AM
21°
8%
11 AM
22°
8%
12 PM
23°
3%
1 PM
25°
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
21°
13%
7-Day Forecast
Tonight
25° 16°
Mostly Cloudy with a 24% chance of rain.
Fri
27° 16°
Partly Cloudy with a 36% chance of rain.
Sat
26° 18°
Rain, 75% chance.
Sun
29° 19°
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 24% 10 mph NNE 90%
11 PM 18° Partly Cloudy 40% 9 mph NNE 89%
12 AM 18° Mostly Cloudy 40% 8 mph N 89%
1 AM 18° Overcast 36% 6 mph N 90%
2 AM 18° Mostly Cloudy 28% 6 mph N 89%
3 AM 17° Mostly Cloudy 27% 6 mph N 88%
4 AM 17° Partly Cloudy 15% 6 mph N 86%
5 AM 16° Mostly Cloudy 7% 7 mph N 84%
6 AM 16° Mostly Cloudy 7% 7 mph N 81%
7 AM 17° Mostly Cloudy 7% 7 mph N 79%
8 AM 17° Mostly Cloudy 8% 7 mph N 77%
9 AM 19° Partly Cloudy 8% 8 mph N 72%
10 AM 21° Partly Cloudy 8% 8 mph N 67%
11 AM 22° Mostly Clear 8% 8 mph NNE 62%
12 PM 23° Partly Cloudy 3% 7 mph NNE 59%
1 PM 25° Partly Cloudy 3% 6 mph NNE 57%
2 PM 26° Mostly Cloudy 3% 6 mph NNE 55%
3 PM 26° Partly Cloudy 3% 5 mph NE 55%
4 PM 26° Partly Cloudy 3% 4 mph NE 56%
5 PM 26° Partly Cloudy 5% 4 mph NE 57%
6 PM 24° Mostly Clear 5% 4 mph NE 61%
7 PM 24° Mostly Clear 5% 4 mph NE 66%
8 PM 23° Mostly Clear 5% 4 mph NE 70%
9 PM 21° Partly Cloudy 13% 2 mph ESE 73%
15-Day Forecast
Today
8/20
Mostly Cloudy
24%
16°
25°
Fri
8/21
Partly Cloudy
36%
16°
27°
Sat
8/22
Rain
75%
18°
26°
Sun
8/23
Mostly Cloudy
54%
19°
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
68%
19°
30°
Sat
8/29
Rain
68%
19°
30°
Sun
8/30
Rain
90%
19°
31°
Mon
8/31
Drizzle
60%
19°
29°
Tue
9/1
Drizzle
60%
19°
29°
Wed
9/2
Drizzle
60%
18°
29°
Thu
9/3
Drizzle
60%
18°
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 Thu Aug 20, 23:00'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
MLCAPE10 J/kg
MUCAPE81 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index6.2
Kinematics
0–6 km Shear44 kt
0–1 km Shear21 kt
Eff. Shear—
0–1 km SRH-45
0–3 km SRH430
Eff. SRH—
Storm Motion291° @ 21 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index33.5
Thermo & Levels
PWAT2.08 in
0–3 km LR3.4 °C/km
700–500 LR5.5 °C/km
Total Totals41.7
LCL993 hPa
LFC—
EL—
Freezing Lvl14,551 ft