UV Index in Pittsburgh, Pennsylvania, United States

· America/New York

3.6
Moderate · clear-sky maximum Tuesday, October 20, 2026

At solar noon (01:04:49 PM) the sun reaches 39.1° above the horizon in Pittsburgh. Without clouds, that corresponds to a maximum UV index of about 3.6 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.

☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!

UV index in Pittsburgh, next 14 days

DateSun at noonClear-sky maxForecast max
39.1° 3.6 Moderate —
38.7° 3.6 Moderate —
38.4° 3.5 Moderate —
38.0° 3.4 Moderate —
37.7° 3.4 Moderate —
37.3° 3.3 Moderate —
37.0° 3.3 Moderate —
36.6° 3.2 Moderate —
36.3° 3.1 Moderate —
36.0° 3.1 Moderate —
35.6° 3.0 Moderate —
35.3° 3.0 Moderate —
35.0° 2.9 Low —
34.7° 2.8 Low —

Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.

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The UV index in Pittsburgh measures the intensity of ultraviolet radiation reaching the ground. Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade. The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds. See today's sunrise and sunset times for Pittsburgh or discover the best light for photos during the golden hour in Pittsburgh.

About Pittsburgh

Pittsburgh has existed as a municipality since 1758 and serves as the county seat of Allegheny County in Pennsylvania. The city encompasses an area of 151 square kilometers at an elevation of 373 meters, with a population of 302,971 recorded in 2020. Situated at the confluence of the Ohio, Allegheny, and Monongahela Rivers, the city hosts the University of Pittsburgh and Carnegie Mellon University. Large-scale infrastructure includes Acrisure Stadium and PNC Park, while the cultural landscape is represented by the Carnegie Museum of Natural History. The city maintains international connections through twin towns including Skopje, Fernando de la Mora, Donetsk, Zagreb, and Ostrava.

AI-assisted description based on geographic data and editorial notes.