Today | Weather | Thursday, October 23, 2025

Weather in Pittsburgh, Pennsylvania

03:41 AM
Now
Rainy Weather
46° F
Feels Like 37°
Precipitation 61 %
Wind 9 mph
Humidity 76 %
Today
Rainy Weather
Day 55°
Night 41°
Precipitation 57 %
Wind 15 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

20 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (October 23, 2024)

Stormy Weather

Day

75°

Night

48°

Wind

7 mph

Precipitation

57

Air Quality in Pittsburgh

NOW
31 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.23 µg/m³
PM10 1.69 µg/m³
O3 0.033 ppm
NO2 1.6 ppb
SO2 1 ppb
CO 0.10 ppm
NH3 1.11 µg/m³
NO 0 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)
PM2.51.23 µg/m³
PM101.69 µg/m³
O365.25 µg/m³
NO22.97 µg/m³
SO22.63 µg/m³
CO112.44 µg/m³
NH31.11 µg/m³
NO0 µg/m³