Today | Weather | Thursday, May 28, 2026
Active Weather Warnings

Weather in Pittsburgh, Pennsylvania

01:09 AM
Now
Cloudy Night
64° F
Feels Like 64°
Precipitation 22 %
Wind 5 mph
Humidity 83 %
Today
Cloudy Weather
Day 73°
Night 50°
Precipitation 3 %
Wind 9 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Pittsburgh Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 28, 2025)
Rainy Weather

Day

63°

Night

57°

Wind

8 mph

UV Index

2

Precipitation

100 %

Air Quality in Pittsburgh

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

Pollutant Concentrations:

PM2.5 3.68 µg/m³
PM10 3.74 µg/m³
O3 0.005 ppm
NO2 1.5 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.24 µg/m³
NO 0.02 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)
PM2.53.68 µg/m³
PM103.74 µg/m³
O39.31 µg/m³
NO22.74 µg/m³
SO20.54 µg/m³
CO118.25 µg/m³
NH30.24 µg/m³
NO0.02 µg/m³

Weather Alerts and Warnings for Pittsburgh

Minor Expected Observed

Flood Advisory

Flood Advisory issued May 27 at 9:22PM EDT until May 29 at 2:00PM EDT by NWS Pittsburgh PA
May 27, 9:22 PM May 29, 2:00 PM
...The Flood Advisory continues for the following rivers in
Pennsylvania...

Ohio River At Pittsburgh affecting Allegheny County.

.Heavy rainfall over the last 24 hours led to rises in the streams
and tributaries south of Pittsburgh. With rainfall continuing, there
remains some uncertainty in whether the Point at Pittsburgh will
exceed Action stage. If storms over WV move through faster, the crest
at Pittsburgh could be lower.

WHAT: Flooding caused by excessive rainfall continues.

WHERE: Ohio River at Pittsburgh.

WHEN: Until Friday afternoon.

IMPACTS: At 18.0 feet, Water begins to flow onto the Monongahela
Parking Wharf. At 19.0 feet, Water begins to flow onto the North
Shore Riverwalk between the stadiums. At 19.5 feet, The Monongahela
Parking Wharf is completely flooded.

ADDITIONAL DETAILS:
- At 9:00 PM EDT Wednesday the stage was 16.8 feet.
- Bankfull stage is 18.0 feet.
- Forecast...The river is projected to rise to a crest of 18.5 to
19.0 feet tomorrow evening.
- Action stage is 18.0 feet.
- Flood stage is 22.0 feet.
- http://www.weather.gov/safety/flood
+ Read More
Caution is urged when walking near riverbanks. Additional information is available at weather.gov/pbz. The next statement will be issued Thursday morning at 1100 AM EDT.
Updated: May 28, 12:06 AM Source: NWS Alert