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Fayette County, Pennsylvania, United States

Last updated: 12:13 AM CDT  ·  Refresh
9°C
Feels like 7°
Overcast
▲ 11°  /  ▼ 1°
Wind
10 mph NW
Humidity
92%
Dew Point
8°
Pressure
28.63 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
97%
Sunrise
7:31 AM
Sunset
6:36 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Fayette County is currently overcast at 10°C. Precipitation is likely — peak probability 87% around 1 AM. Sunrise: 7:31AM · Sunset: 6:36PM.

35 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
9°
87%
2 AM
9°
81%
3 AM
9°
81%
4 AM
8°
60%
5 AM
8°
20%
6 AM
6°
20%
7 AM
6°
17%
8 AM
5°
16%
9 AM
6°
13%
10 AM
7°
13%
11 AM
7°
5%
12 PM
8°
5%
1 PM
8°
3%
2 PM
9°
3%
3 PM
9°
3%
4 PM
9°
3%
5 PM
9°
3%
6 PM
8°
3%
7 PM
7°
3%
8 PM
6°
3%
9 PM
6°
3%
10 PM
4°
3%
11 PM
4°
3%
12 AM
4°
3%
7-Day Forecast
Today
11° 1°
Partly Cloudy with a 87% chance of rain.
Sun
17° 1°
Clear.
Mon
19° 2°
Clear.
Tue
19° 3°
Mostly Clear.
Wed
20° 3°
Clear.
Thu
19° 3°
Clear.
Fri
19° 4°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 9° Overcast 87% 10 mph NW 92%
2 AM 9° Rain 81% 10 mph NNW 92%
3 AM 9° Overcast 81% 10 mph NNW 90%
4 AM 8° Overcast 60% 10 mph NNW 90%
5 AM 8° Overcast 20% 10 mph NNW 90%
6 AM 6° Overcast 20% 10 mph N 88%
7 AM 6° Mostly Cloudy 17% 9 mph N 88%
8 AM 5° Mostly Cloudy 16% 10 mph N 86%
9 AM 6° Mostly Cloudy 13% 11 mph N 80%
10 AM 7° Mostly Cloudy 13% 12 mph N 75%
11 AM 7° Mostly Cloudy 5% 12 mph N 69%
12 PM 8° Partly Cloudy 5% 11 mph N 63%
1 PM 8° Mostly Clear 3% 11 mph N 57%
2 PM 9° Clear 3% 10 mph NNW 53%
3 PM 9° Clear 3% 10 mph NNW 53%
4 PM 9° Clear 3% 9 mph NNW 53%
5 PM 9° Clear 3% 8 mph NNW 55%
6 PM 8° Clear 3% 7 mph NNW 59%
7 PM 7° Clear 3% 5 mph NNW 63%
8 PM 6° Clear 3% 4 mph NNW 67%
9 PM 6° Clear 3% 4 mph NNW 68%
10 PM 4° Clear 3% 4 mph N 70%
11 PM 4° Clear 3% 4 mph N 71%
12 AM 4° Clear 3% 4 mph N 71%
15-Day Forecast
Today
10/17
Partly Cloudy
87%
1°
11°
Sun
10/18
Clear
3%
1°
17°
Mon
10/19
Clear
3%
2°
19°
Tue
10/20
Mostly Clear
3%
3°
19°
Wed
10/21
Clear
3%
3°
20°
Thu
10/22
Clear
3%
3°
19°
Fri
10/23
Clear
3%
4°
19°
Sat
10/24
Clear
3%
3°
19°
Sun
10/25
Clear
3%
5°
20°
Mon
10/26
Clear
3%
6°
19°
Tue
10/27
Clear
25%
6°
17°
Wed
10/28
Drizzle
60%
5°
17°
Thu
10/29
Clear
60%
4°
16°
Fri
10/30
Drizzle
60%
6°
17°
Sat
10/31
Drizzle
60%
7°
16°
35
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
19 AQI 3.6 µg/m³
O3
Ground-level ozone
Dominant
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 35 Good 35 19
Sun 30 Good 30 3
Mon 28 Good 28 3
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 Sat Oct 17, 03:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 90 100 110 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE11 J/kg
MUCAPE0 J/kg
SBCIN—
MLCIN-0 J/kg
Lifted Index12.7
Kinematics
0–6 km Shear92 kt
0–1 km Shear16 kt
Eff. Shear—
0–1 km SRH-180
0–3 km SRH-67
Eff. SRH—
Storm Motion257° @ 48 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index18.6
Thermo & Levels
PWAT0.87 in
0–3 km LR4.9 °C/km
700–500 LR3.1 °C/km
Total Totals32.1
LCL951 hPa
LFC—
EL—
Freezing Lvl5,331 ft