Somerville, New Jersey

Last updated: 3:28 AM CDT  ·  Refresh
4°C
Feels like 3°
Mostly Clear
▲ 21°  /  ▼ 3°
Wind
3 mph W
Humidity
85%
Dew Point
3°
Pressure
30.20 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
16%
Sunrise
7:21 AM
Sunset
6:02 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Somerville is currently mostly clear at 5°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:21AM · Sunset: 6:02PM.

Alerts

No active alerts for this location.
52 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
4°
17%
5 AM
3°
5%
6 AM
2°
7%
7 AM
2°
3%
8 AM
3°
3%
9 AM
7°
3%
10 AM
10°
3%
11 AM
13°
3%
12 PM
15°
3%
1 PM
20°
3%
2 PM
21°
3%
3 PM
21°
3%
4 PM
21°
3%
5 PM
19°
3%
6 PM
17°
3%
7 PM
16°
3%
8 PM
15°
3%
9 PM
12°
3%
10 PM
12°
3%
11 PM
10°
3%
12 AM
10°
3%
1 AM
10°
3%
2 AM
9°
3%
3 AM
9°
3%
7-Day Forecast
Today
21° 3°
Clear.
Tue
19° 8°
Clear.
Wed
19° 4°
Partly Cloudy.
Thu
21° 7°
Fog.
Fri
25° 11°
Clear.
Sat
21° 9°
Drizzle, 38% chance.
Sun
22° 9°
Clear with a 53% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 4° Mostly Clear 17% 3 mph W 85%
5 AM 3° Clear 5% 4 mph W 82%
6 AM 2° Mostly Clear 7% 4 mph W 83%
7 AM 2° Mostly Clear 3% 4 mph W 84%
8 AM 3° Mostly Clear 3% 4 mph W 82%
9 AM 7° Mostly Clear 3% 5 mph W 74%
10 AM 10° Mostly Clear 3% 6 mph W 67%
11 AM 13° Clear 3% 6 mph W 61%
12 PM 15° Clear 3% 6 mph W 56%
1 PM 20° Clear 3% 7 mph W 52%
2 PM 21° Clear 3% 7 mph W 50%
3 PM 21° Clear 3% 7 mph W 52%
4 PM 21° Clear 3% 6 mph W 54%
5 PM 19° Clear 3% 5 mph WSW 58%
6 PM 17° Clear 3% 5 mph W 63%
7 PM 16° Clear 3% 5 mph W 68%
8 PM 15° Clear 3% 5 mph WNW 71%
9 PM 12° Clear 3% 5 mph WNW 73%
10 PM 12° Clear 3% 5 mph NW 74%
11 PM 10° Clear 3% 5 mph NW 76%
12 AM 10° Clear 3% 5 mph NW 77%
1 AM 10° Clear 3% 6 mph NW 78%
2 AM 9° Clear 3% 6 mph NW 78%
3 AM 9° Clear 3% 6 mph NNW 76%
15-Day Forecast
Today
10/26
Clear
17%
3°
21°
Tue
10/27
Clear
3%
8°
19°
Wed
10/28
Partly Cloudy
3%
4°
19°
Thu
10/29
Fog
12%
7°
21°
Fri
10/30
Clear
3%
11°
25°
Sat
10/31
Drizzle
38%
9°
21°
Sun
11/1
Clear
53%
9°
22°
Mon
11/2
Rain
69%
13°
21°
Tue
11/3
Drizzle
68%
9°
21°
Wed
11/4
Drizzle
51%
3°
18°
Thu
11/5
Drizzle
60%
7°
19°
Fri
11/6
Drizzle
60%
9°
18°
Sat
11/7
Drizzle
60%
8°
17°
Sun
11/8
Drizzle
60%
8°
18°
Mon
11/9
Drizzle
60%
7°
17°
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 9.7 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 52 Moderate 35 52
Tue 48 Good 35 48
Wed 27 Good 27 27
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 Mon Oct 26, 07:00'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
MLCAPE32 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index22.6
Kinematics
0–6 km Shear22 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH7
0–3 km SRH6
Eff. SRH—
Storm Motion78° @ 6 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-32.5
Thermo & Levels
PWAT0.31 in
0–3 km LR0.3 °C/km
700–500 LR6.7 °C/km
Total Totals9.4
LCL998 hPa
LFC—
EL—
Freezing Lvl11,358 ft