Today | Weather | Thursday, October 23, 2025

Weather in Pittsburgh, Pennsylvania

03:41 AM

Now

46° F

Feels Like 37°

Precipitation 61 %

Wind 9 mph

Humidity 76 %

Today

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 October 23, 2025 3:21 AM

Weather Forecast History

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

Day

75°

Night

48°

Wind

7 mph

Precipitation

Air Quality in Pittsburgh

NOW

31 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 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

PM_2.5 – 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)

PM_2.5 – 1.23 µg/m³

PM₁₀ – 1.69 µg/m³

O₃ – 65.25 µg/m³

NO₂ – 2.97 µg/m³

SO₂ – 2.63 µg/m³

CO – 112.44 µg/m³

NH₃ – 1.11 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast