Somerset County, Pennsylvania, United States

Last updated: 7:55 AM CDT  ·  Refresh
19°C
Feels like 21°
Overcast
▲ 24°  /  ▼ 14°
Wind
5 mph NW
Humidity
96%
Dew Point
19°
Pressure
27.59 inHg
Visibility
6 mi
UV Index
2.4
Cloud Cover
89%
Sunrise
6:47 AM
Sunset
7:41 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Somerset County is currently overcast at 19°C. Precipitation is likely — peak probability 81% around 8 AM. Atmospheric instability is elevated (CAPE up to 726 J/kg) — isolated convective development possible. Sunrise: 6:47AM · Sunset: 7:41PM.

Alerts

No active alerts for this location.
34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
80%
9 AM
19°
41%
10 AM
20°
44%
11 AM
20°
69%
12 PM
21°
46%
1 PM
23°
40%
2 PM
23°
43%
3 PM
23°
43%
4 PM
23°
40%
5 PM
22°
20%
6 PM
22°
17%
7 PM
21°
17%
8 PM
19°
15%
9 PM
18°
15%
10 PM
17°
3%
11 PM
17°
3%
12 AM
16°
3%
1 AM
16°
3%
2 AM
16°
3%
3 AM
16°
3%
4 AM
15°
3%
5 AM
14°
3%
6 AM
14°
3%
7 AM
14°
3%
7-Day Forecast
Today
24° 14°
Mostly Cloudy with a 80% chance of rain.
Sun
23° 12°
Partly Cloudy.
Mon
24° 10°
Partly Cloudy.
Tue
25° 11°
Mostly Cloudy.
Wed
28° 16°
Clear.
Thu
23° 11°
Drizzle, 52% chance.
Fri
21° 10°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 19° Overcast 80% 5 mph NW 96%
9 AM 19° Overcast 41% 5 mph NW 93%
10 AM 20° Overcast 44% 6 mph NW 90%
11 AM 20° Overcast 69% 7 mph NNW 88%
12 PM 21° Overcast 46% 6 mph NNW 85%
1 PM 23° Overcast 40% 7 mph NNW 81%
2 PM 23° Mostly Cloudy 43% 7 mph NNW 80%
3 PM 23° Partly Cloudy 43% 7 mph NW 81%
4 PM 23° Mostly Cloudy 40% 7 mph NNW 81%
5 PM 22° Partly Cloudy 20% 6 mph NNW 83%
6 PM 22° Mostly Cloudy 17% 5 mph NNW 85%
7 PM 21° Partly Cloudy 17% 4 mph N 89%
8 PM 19° Partly Cloudy 15% 4 mph NNE 90%
9 PM 18° Partly Cloudy 15% 4 mph NE 90%
10 PM 17° Partly Cloudy 3% 5 mph ENE 90%
11 PM 17° Mostly Cloudy 3% 5 mph ENE 90%
12 AM 16° Mostly Cloudy 3% 6 mph ENE 89%
1 AM 16° Mostly Cloudy 3% 6 mph ENE 88%
2 AM 16° Mostly Cloudy 3% 6 mph ENE 88%
3 AM 16° Mostly Cloudy 3% 6 mph ENE 88%
4 AM 15° Mostly Cloudy 3% 6 mph ENE 88%
5 AM 14° Mostly Cloudy 3% 6 mph ENE 88%
6 AM 14° Mostly Cloudy 3% 5 mph ENE 87%
7 AM 14° Mostly Cloudy 3% 5 mph ENE 87%
15-Day Forecast
Today
9/5
Mostly Cloudy
80%
14°
24°
Sun
9/6
Partly Cloudy
6%
12°
23°
Mon
9/7
Partly Cloudy
3%
10°
24°
Tue
9/8
Mostly Cloudy
13%
11°
25°
Wed
9/9
Clear
16%
16°
28°
Thu
9/10
Drizzle
52%
11°
23°
Fri
9/11
Clear
17%
10°
21°
Sat
9/12
Drizzle
43%
10°
24°
Sun
9/13
Drizzle
44%
14°
29°
Mon
9/14
Drizzle
44%
16°
30°
Tue
9/15
Drizzle
60%
12°
23°
Wed
9/16
Drizzle
60%
12°
23°
Thu
9/17
Drizzle
60%
11°
23°
Fri
9/18
Drizzle
60%
11°
22°
Sat
9/19
Drizzle
60%
10°
23°
34
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
34 AQI 6.3 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sun 34 Good 34 34
Mon 28 Good 28 7
Tue 31 Good 31 6
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 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
RAP
Valid Sat Sep 5, 11:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE509 J/kg
MLCAPE424 J/kg
MUCAPE509 J/kg
SBCIN-0 J/kg
MLCIN-6 J/kg
Lifted Index-0.9
Kinematics
0–6 km Shear24 kt
0–1 km Shear20 kt
Eff. Shear35 kt
0–1 km SRH69
0–3 km SRH116
Eff. SRH116
Storm Motion335° @ 34 kt
0–1 km EHI0.2
Composite Parameters
Sig. Tornado0.0
STP (eff)0.2
Supercell1.1
K-Index21.0
Thermo & Levels
PWAT1.11 in
0–3 km LR5.4 °C/km
700–500 LR5.3 °C/km
Total Totals44.1
LCL924 hPa
LFC920 hPa
EL305 hPa
Freezing Lvl11,640 ft