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Active Weather Warnings

Weather in Pittsburgh, Pennsylvania

11:27 AM
Now
Cloudy Weather
77° F
Feels Like 82°
Precipitation 34 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 89 %
Today
Sunny with a Chance of Thunderstorms
Day 82°
Night 73°
Precipitation 97 %
Wind 9 mph
UV Index (0 - 11+) 3

Pittsburgh Weather Forecast Updated

15 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 16, 2025)
Cloudy Weather

Day

93°

Night

72°

Wind

4 mph

UV Index

70

Precipitation

2 %

Air Quality in Pittsburgh

NOW
18 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 4.39 µg/m³
PM10 4.42 µg/m³
O3 0.018 ppm
NO2 1.6 ppb
SO2 0.6 ppb
CO 0.10 ppm
NH3 0.01 µg/m³
NO 0.17 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.54.39 µg/m³
PM104.42 µg/m³
O335.97 µg/m³
NO23.09 µg/m³
SO21.68 µg/m³
CO113.4 µg/m³
NH30.01 µg/m³
NO0.17 µg/m³

Weather Alerts and Warnings for Pittsburgh

Severe Future Possible

Flood Watch

Flood Watch issued August 16 at 4:37AM EDT until August 17 at 8:00AM EDT by NWS Pittsburgh PA
Aug 16, 4:37 AM Aug 17, 8:00 AM
WHAT: Flash flooding caused by excessive rainfall continues to be
possible.

WHERE: Portions of east central Ohio, including the following
areas, Belmont, Carroll, Columbiana, Coshocton, Guernsey, Harrison,
Jefferson OH, Monroe, Muskingum, Noble and Tuscarawas,
Pennsylvania, including the following areas, Allegheny, Beaver,
Fayette, Greene, Higher Elevations of Fayette, Higher Elevations of
Westmoreland, Washington and Westmoreland, and West Virginia,
including the following areas, Brooke, Eastern Preston, Eastern
Tucker, Hancock, Marion, Marshall, Monongalia, Ohio, Preston,
Ridges of Eastern Monongalia and Northwestern Preston, Western
Tucker and Wetzel.

WHEN: Through Monday morning.

IMPACTS: Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.

ADDITIONAL DETAILS:
- Total rainfall of 1.5 to 2.5 inches is expected through 8 AM
Monday across much of the watch area, with isolated totals of 3
to 5 inches possible. With soil still wet from past rainfall,
such rain totals could lead to flash flooding. Additional
rainfall this afternoon and evening will exacerbate conditions
allowing runoff to occur immediately resulting in flash flooding.
- http://www.weather.gov/safety/flood
+ Read More
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.
Updated: Aug 16, 11:11 AM Source: NWS Alert