Westmoreland County, Pennsylvania, United States

Last updated: 11:56 AM CDT · Refresh

20°C

Feels like 22°

Rain

▲ 23° / ▼ 13°

Wind

6 mph NNE

Humidity

93%

Dew Point

19°

Pressure

28.66 inHg

Visibility

3 mi

UV Index

3.8

Cloud Cover

92%

Sunrise

6:34 AM

Sunset

8:07 PM

Drag to pan · double-click to forecast a point

WeatherAI™ Analysis

WeatherAI Analysis: Westmoreland County is currently rain at 20°C. Precipitation is likely — peak probability 81% around 12 PM. Sunrise: 6:34AM · Sunset: 8:07PM.

47 AQI · Good Dominant: PM2.5 Air Quality

Hourly Forecast · Next 24 Hours

Now

20°

80%

1 PM

21°

68%

2 PM

22°

64%

3 PM

22°

65%

4 PM

22°

65%

5 PM

22°

58%

6 PM

21°

32%

7 PM

20°

14%

8 PM

19°

14%

9 PM

17°

18%

10 PM

16°

11 PM

16°

12 AM

16°

15%

1 AM

15°

15%

2 AM

14°

16%

3 AM

14°

16%

4 AM

14°

16%

5 AM

14°

18%

6 AM

14°

18%

7 AM

14°

18%

8 AM

16°

22%

9 AM

17°

13%

10 AM

18°

13%

11 AM

19°

24%

7-Day Forecast

Today

23° 13°

Rain, 80% chance.

Fri

25° 13°

Mostly Clear with a 26% chance of rain.

Sat

27° 17°

Partly Cloudy with a 56% chance of rain.

Sun

23° 13°

Mostly Cloudy with a 69% chance of rain.

Mon

24° 11°

Drizzle, 42% chance.

Tue

27° 12°

Clear.

Wed

27° 14°

Rain, 28% chance.

+ Feels like

TimeTempConditionsPrecipWindHumidity

Now 20° Rain 80% 6 mph NNE 93%

1 PM 21° Overcast 68% 5 mph NW 94%

2 PM 22° Rain 64% 5 mph NNW 90%

3 PM 22° Rain 65% 6 mph N 87%

4 PM 22° Mostly Cloudy 65% 6 mph N 85%

5 PM 22° Mostly Cloudy 58% 7 mph NNE 87%

6 PM 21° Partly Cloudy 32% 6 mph NNE 89%

7 PM 20° Partly Cloudy 14% 6 mph NE 91%

8 PM 19° Mostly Clear 14% 6 mph NE 92%

9 PM 17° Clear 18% 5 mph NE 94%

10 PM 16° Clear 6% 4 mph NE 95%

11 PM 16° Mostly Clear 6% 4 mph ENE 95%

12 AM 16° Mostly Clear 15% 4 mph ENE 96%

1 AM 15° Fog 15% 4 mph ENE 96%

2 AM 14° Fog 16% 4 mph NE 96%

3 AM 14° Fog 16% 4 mph NE 96%

4 AM 14° Fog 16% 4 mph NE 96%

5 AM 14° Fog 18% 4 mph NE 95%

6 AM 14° Fog 18% 5 mph NE 94%

7 AM 14° Fog 18% 5 mph NE 93%

8 AM 16° Fog 22% 5 mph ENE 89%

9 AM 17° Fog 13% 5 mph ENE 85%

10 AM 18° Fog 13% 5 mph ENE 81%

11 AM 19° Partly Cloudy 24% 5 mph ENE 78%

15-Day Forecast

Today

8/20

Rain

80%

13°

23°

Fri

8/21

Mostly Clear

26%

13°

25°

Sat

8/22

Partly Cloudy

56%

17°

27°

Sun

8/23

Mostly Cloudy

69%

13°

23°

Mon

8/24

Drizzle

42%

11°

24°

Tue

8/25

Clear

12°

27°

Wed

8/26

Rain

28%

14°

27°

Thu

8/27

Drizzle

42%

15°

26°

Fri

8/28

Rain

68%

14°

27°

Sat

8/29

Drizzle

51%

16°

29°

Sun

8/30

Drizzle

60%

17°

28°

Mon

8/31

Drizzle

60%

16°

27°

Tue

9/1

Drizzle

60%

15°

27°

Wed

9/2

Drizzle

60%

14°

27°

Thu

9/3

Drizzle

60%

14°

28°

Good

U.S. Air Quality Index · Dominant: PM2.5

50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today

PM_2.5

Fine particulate matter

Dominant

47 AQI 8.5 µg/m³

O₃

Ground-level ozone

33 AQI 36 ppb

3-Day Outlook

DayAQICategoryO₃PM2.5

Fri 47 Good 33 47

Sat 34 Good 34 28

Sun 41 Good 41 28

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. PM_2.5 (fine particles) is reported in µg/m³ and ozone (O₃) in ppb. Forecast source: NWS NAQFC.

Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio

RAP

Valid Thu Aug 20, 15:00'Z' · F0 · 130 (13 km CONUS/NA)

Hodograph · kt

0–1 1–3 3–6 6–9 km

Instability

SBCAPE182 J/kg

MLCAPE36 J/kg

MUCAPE182 J/kg

SBCIN-0 J/kg

MLCIN-13 J/kg

Lifted Index-0.5

Kinematics

0–6 km Shear42 kt

0–1 km Shear13 kt

Eff. Shear32 kt

0–1 km SRH71

0–3 km SRH166

Eff. SRH166

Storm Motion266° @ 29 kt

0–1 km EHI0.1

Composite Parameters

Sig. Tornado0.1

STP (eff)0.0

Supercell0.5

K-Index32.5

Thermo & Levels

PWAT1.81 in

0–3 km LR5.1 °C/km

700–500 LR5.3 °C/km

Total Totals43.7

LCL956 hPa

LFC896 hPa

EL443 hPa

Freezing Lvl12,805 ft

Westmoreland County, Pennsylvania, United States

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