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Fayette County, Pennsylvania, United States

Last updated: 2:43 AM CDT  ·  Refresh
5°C
Feels like 3°
Clear
▲ 17°  /  ▼ 3°
Wind
2 mph S
Humidity
79%
Dew Point
1°
Pressure
28.76 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
6%
Sunrise
7:36 AM
Sunset
6:29 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fayette County is currently clear at 5°C. Dry conditions are expected through the next 24 hours. Sunrise: 7:36AM · Sunset: 6:29PM.

32 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
5°
3%
4 AM
3°
3%
5 AM
1°
3%
6 AM
1°
9%
7 AM
0°
11%
8 AM
1°
13%
9 AM
6°
3%
10 AM
8°
3%
11 AM
10°
3%
12 PM
12°
3%
1 PM
16°
3%
2 PM
17°
3%
3 PM
17°
3%
4 PM
17°
3%
5 PM
14°
3%
6 PM
13°
3%
7 PM
11°
3%
8 PM
11°
3%
9 PM
8°
3%
10 PM
8°
3%
11 PM
7°
3%
12 AM
7°
3%
1 AM
6°
3%
2 AM
6°
3%
7-Day Forecast
Today
17° 3°
Mostly Clear.
Fri
19° 3°
Fog.
Sat
21° 3°
Mostly Clear.
Sun
18° 3°
Clear.
Mon
21° 4°
Clear.
Tue
21° 6°
Clear.
Wed
22° 7°
Clear with a 27% chance of rain.
TimeTempConditionsPrecipWindHumidity
Now 5° Clear 3% 2 mph S 79%
4 AM 3° Clear 3% 2 mph S 78%
5 AM 1° Clear 3% 2 mph SSW 80%
6 AM 1° Mostly Clear 9% 2 mph SSW 82%
7 AM 0° Mostly Clear 11% 2 mph S 84%
8 AM 1° Mostly Clear 13% 2 mph SSW 82%
9 AM 6° Mostly Clear 3% 2 mph WSW 75%
10 AM 8° Mostly Clear 3% 3 mph WNW 68%
11 AM 10° Mostly Clear 3% 4 mph NW 61%
12 PM 12° Clear 3% 5 mph NW 55%
1 PM 16° Clear 3% 6 mph NNW 49%
2 PM 17° Clear 3% 6 mph NNW 49%
3 PM 17° Clear 3% 6 mph NNW 51%
4 PM 17° Clear 3% 6 mph NNW 55%
5 PM 14° Clear 3% 4 mph NW 60%
6 PM 13° Clear 3% 3 mph NNW 66%
7 PM 11° Clear 3% 2 mph NNW 71%
8 PM 11° Clear 3% 2 mph NNW 75%
9 PM 8° Clear 3% 2 mph N 78%
10 PM 8° Clear 3% 2 mph NNE 81%
11 PM 7° Clear 3% 2 mph NE 83%
12 AM 7° Clear 3% 2 mph NE 85%
1 AM 6° Mostly Clear 3% 2 mph NE 88%
2 AM 6° Mostly Clear 3% 3 mph NE 88%
15-Day Forecast
Today
10/22
Mostly Clear
9%
3°
17°
Fri
10/23
Fog
17%
3°
19°
Sat
10/24
Mostly Clear
3%
3°
21°
Sun
10/25
Clear
3%
3°
18°
Mon
10/26
Clear
3%
4°
21°
Tue
10/27
Clear
3%
6°
21°
Wed
10/28
Clear
27%
7°
22°
Thu
10/29
Drizzle
43%
5°
18°
Fri
10/30
Clear
19%
1°
18°
Sat
10/31
Drizzle
60%
3°
22°
Sun
11/1
Drizzle
60%
8°
19°
Mon
11/2
Rain
90%
9°
18°
Tue
11/3
Drizzle
60%
7°
16°
Wed
11/4
Drizzle
60%
7°
17°
Thu
11/5
Drizzle
60%
6°
17°
32
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
26 AQI 4.8 µg/m³
O3
Ground-level ozone
Dominant
32 AQI 35 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 32 Good 32 26
Fri 55 Moderate 34 55
Sat 41 Good 33 41
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 Oct 22, 06:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE33 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN0 J/kg
Lifted Index20.1
Kinematics
0–6 km Shear16 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH21
0–3 km SRH24
Eff. SRH—
Storm Motion2° @ 22 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index-65.1
Thermo & Levels
PWAT0.16 in
0–3 km LR1.6 °C/km
700–500 LR6.2 °C/km
Total Totals0.5
LCL921 hPa
LFC—
EL—
Freezing Lvl9,793 ft