Excessive Heat Watch 7:00 PM

Pittsburgh, Pennsylvania

Last updated: 3:42 PM CDT  ·  Refresh
24°C
Feels like 26°
Mostly Cloudy
▲ 28°  /  ▼ 18°
Wind
3 mph N
Humidity
68%
Dew Point
20°
Pressure
28.96 inHg
Visibility
4 mi
UV Index
5.7
Cloud Cover
66%
Sunrise
6:30 AM
Sunset
8:18 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Pittsburgh is currently mostly cloudy at 24°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:30AM · Sunset: 8:18PM.

Alerts

Excessive Heat Watch
Expires 7:00 PM
70 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
13%
5 PM
26°
9%
6 PM
26°
5%
7 PM
24°
3%
8 PM
24°
3%
9 PM
23°
3%
10 PM
22°
3%
11 PM
22°
3%
12 AM
21°
16%
1 AM
21°
17%
2 AM
20°
17%
3 AM
19°
17%
4 AM
19°
17%
5 AM
18°
19%
6 AM
18°
5%
7 AM
19°
5%
8 AM
20°
5%
9 AM
21°
9%
10 AM
22°
10%
11 AM
23°
10%
12 PM
24°
10%
1 PM
25°
10%
2 PM
26°
17%
3 PM
25°
18%
7-Day Forecast
Today
28° 18°
Partly Cloudy.
Sat
28° 18°
Partly Cloudy with a 72% chance of rain.
Sun
29° 22°
Partly Cloudy with a 90% chance of rain.
Mon
27° 19°
Mostly Cloudy with a 33% chance of rain.
Tue
28° 15°
Clear.
Wed
29° 17°
Rain, 81% chance.
Thu
26° 16°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Mostly Cloudy 13% 3 mph N 68%
5 PM 26° Mostly Cloudy 9% 3 mph NNW 71%
6 PM 26° Partly Cloudy 5% 2 mph NW 72%
7 PM 24° Partly Cloudy 3% 2 mph WSW 76%
8 PM 24° Partly Cloudy 3% 2 mph WSW 79%
9 PM 23° Partly Cloudy 3% 2 mph W 83%
10 PM 22° Partly Cloudy 3% 3 mph W 88%
11 PM 22° Mostly Cloudy 3% 2 mph WNW 90%
12 AM 21° Mostly Cloudy 16% 2 mph NNW 90%
1 AM 21° Overcast 17% 2 mph NNE 90%
2 AM 20° Mostly Cloudy 17% 2 mph NE 90%
3 AM 19° Mostly Cloudy 17% 2 mph NE 91%
4 AM 19° Fog 17% 2 mph ENE 91%
5 AM 18° Fog 19% 2 mph E 91%
6 AM 18° Fog 5% 2 mph ESE 90%
7 AM 19° Fog 5% 2 mph ESE 89%
8 AM 20° Partly Cloudy 5% 3 mph ESE 86%
9 AM 21° Partly Cloudy 9% 3 mph SE 80%
10 AM 22° Partly Cloudy 10% 3 mph SE 74%
11 AM 23° Mostly Clear 10% 3 mph SE 70%
12 PM 24° Mostly Clear 10% 3 mph SE 67%
1 PM 25° Mostly Clear 10% 3 mph SE 63%
2 PM 26° Partly Cloudy 17% 3 mph SE 63%
3 PM 25° Partly Cloudy 18% 3 mph SSE 64%
15-Day Forecast
Today
8/14
Partly Cloudy
13%
18°
28°
Sat
8/15
Partly Cloudy
72%
18°
28°
Sun
8/16
Partly Cloudy
90%
22°
29°
Mon
8/17
Mostly Cloudy
33%
19°
27°
Tue
8/18
Clear
9%
15°
28°
Wed
8/19
Rain
81%
17°
29°
Thu
8/20
Drizzle
60%
16°
26°
Fri
8/21
Drizzle
60%
15°
26°
Sat
8/22
Drizzle
60%
16°
27°
Sun
8/23
Drizzle
60%
17°
27°
Mon
8/24
Drizzle
60%
18°
27°
Tue
8/25
Clear
25%
18°
28°
Wed
8/26
Drizzle
60%
17°
27°
Thu
8/27
Drizzle
60%
17°
26°
Fri
8/28
Drizzle
60%
16°
26°
70
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
70 AQI 19.6 µg/m³
O3
Ground-level ozone
51 AQI 56 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Sat 70 Moderate 51 70
Sun 64 Moderate 43 64
Mon 57 Moderate 36 57
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 Fri Aug 14, 19:00'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
SBCAPE89 J/kg
MLCAPE20 J/kg
MUCAPE89 J/kg
SBCIN-3 J/kg
MLCIN-19 J/kg
Lifted Index-0.2
Kinematics
0–6 km Shear32 kt
0–1 km Shear6 kt
Eff. Shear—
0–1 km SRH-36
0–3 km SRH32
Eff. SRH—
Storm Motion337° @ 24 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index32.9
Thermo & Levels
PWAT1.87 in
0–3 km LR5.8 °C/km
700–500 LR4.7 °C/km
Total Totals39.1
LCL919 hPa
LFC854 hPa
EL330 hPa
Freezing Lvl15,144 ft