Today | Weather | Friday, May 29, 2026

Weather in Philadelphia, Pennsylvania

12:52 PM
Now
Cloudy Weather
75° F
Feels Like 82°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 10
Humidity 35 %
Today
Cloudy Weather
Day 81°
Night 57°
Precipitation 0 %
Wind 12 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.

Philadelphia Weather Forecast Updated

38 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 29, 2025)
Partly Sunny with Showers

Day

73°

Night

63°

Wind

6 mph

UV Index

4

Precipitation

40 %

Air Quality in Philadelphia

NOW
38 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.06 µg/m³
PM10 2.59 µg/m³
O3 0.041 ppm
NO2 0.5 ppb
SO2 0.6 ppb
CO 0.11 ppm
NH3 1.68 µg/m³
NO 0.29 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)
PM2.52.06 µg/m³
PM102.59 µg/m³
O381.19 µg/m³
NO20.99 µg/m³
SO21.46 µg/m³
CO122.45 µg/m³
NH31.68 µg/m³
NO0.29 µg/m³