Fayette County, Pennsylvania, United States

Last updated: 4:10 PM CDT  ·  Refresh
21°C
Feels like 22°
Haze
▲ 22°  /  ▼ 13°
Wind
5 mph NNW
Humidity
89%
Dew Point
19°
Pressure
28.61 inHg
Visibility
2 mi
UV Index
3.3
Cloud Cover
87%
Sunrise
6:35 AM
Sunset
8:08 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fayette County is currently haze at 21°C. Precipitation is likely — peak probability 60% around 5 PM. Sunrise: 6:35AM · Sunset: 8:08PM.

Alerts

No active alerts for this location.
44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
21°
59%
6 PM
22°
24%
7 PM
22°
24%
8 PM
21°
16%
9 PM
20°
3%
10 PM
18°
3%
11 PM
17°
3%
12 AM
17°
6%
1 AM
16°
15%
2 AM
16°
15%
3 AM
15°
15%
4 AM
15°
15%
5 AM
14°
24%
6 AM
14°
24%
7 AM
15°
25%
8 AM
16°
25%
9 AM
17°
27%
10 AM
18°
31%
11 AM
19°
31%
12 PM
20°
32%
1 PM
21°
23%
2 PM
22°
23%
3 PM
23°
26%
4 PM
23°
26%
7-Day Forecast
Today
22° 13°
Haze with a 59% chance of rain.
Fri
24° 13°
Haze with a 31% chance of rain.
Sat
26° 17°
Partly Cloudy with a 56% chance of rain.
Sun
22° 13°
Drizzle, 64% chance.
Mon
22° 12°
Clear with a 42% chance of rain.
Tue
24° 11°
Rain, 70% chance.
Wed
25° 14°
Drizzle, 53% chance.
TimeTempConditionsPrecipWindHumidity
Now 21° Haze 59% 5 mph NNW 89%
6 PM 22° Mostly Cloudy 24% 5 mph N 89%
7 PM 22° Mostly Cloudy 24% 4 mph NNE 92%
8 PM 21° Partly Cloudy 16% 5 mph NE 94%
9 PM 20° Partly Cloudy 3% 4 mph NE 94%
10 PM 18° Mostly Clear 3% 4 mph NE 95%
11 PM 17° Mostly Clear 3% 4 mph ENE 94%
12 AM 17° Mostly Clear 6% 4 mph ENE 94%
1 AM 16° Partly Cloudy 15% 5 mph E 93%
2 AM 16° Partly Cloudy 15% 5 mph E 93%
3 AM 15° Partly Cloudy 15% 5 mph E 92%
4 AM 15° Partly Cloudy 15% 6 mph E 92%
5 AM 14° Fog 24% 5 mph E 92%
6 AM 14° Fog 24% 5 mph E 91%
7 AM 15° Fog 25% 5 mph E 90%
8 AM 16° Fog 25% 5 mph E 88%
9 AM 17° Fog 27% 5 mph E 84%
10 AM 18° Fog 31% 5 mph E 80%
11 AM 19° Haze 31% 6 mph E 78%
12 PM 20° Mostly Clear 32% 6 mph E 75%
1 PM 21° Mostly Clear 23% 6 mph E 73%
2 PM 22° Mostly Clear 23% 6 mph E 71%
3 PM 23° Mostly Clear 26% 6 mph ESE 70%
4 PM 23° Mostly Clear 26% 6 mph ESE 68%
15-Day Forecast
Today
8/20
Haze
59%
13°
22°
Fri
8/21
Haze
31%
13°
24°
Sat
8/22
Partly Cloudy
56%
17°
26°
Sun
8/23
Drizzle
64%
13°
22°
Mon
8/24
Clear
42%
12°
22°
Tue
8/25
Rain
70%
11°
24°
Wed
8/26
Drizzle
53%
14°
25°
Thu
8/27
Rain
63%
15°
24°
Fri
8/28
Drizzle
44%
15°
27°
Sat
8/29
Drizzle
51%
16°
29°
Sun
8/30
Drizzle
60%
17°
27°
Mon
8/31
Drizzle
60%
16°
26°
Tue
9/1
Drizzle
60%
16°
26°
Wed
9/2
Drizzle
60%
15°
26°
Thu
9/3
Drizzle
60%
14°
26°
44
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
PM2.5
Fine particulate matter
Dominant
44 AQI 7.9 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Fri 44 Good 35 44
Sat 34 Good 34 19
Sun 42 Good 42 33
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 Thu Aug 20, 19:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE393 J/kg
MLCAPE95 J/kg
MUCAPE393 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-1.7
Kinematics
0–6 km Shear35 kt
0–1 km Shear6 kt
Eff. Shear22 kt
0–1 km SRH-11
0–3 km SRH36
Eff. SRH36
Storm Motion304° @ 28 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.2
K-Index31.6
Thermo & Levels
PWAT1.51 in
0–3 km LR5.6 °C/km
700–500 LR5.2 °C/km
Total Totals42.7
LCL948 hPa
LFC969 hPa
EL356 hPa
Freezing Lvl12,828 ft