UV Index in San Bernardino, California, United States

· America/Los Angeles

5.0
Moderate · clear-sky maximum Wednesday, October 21, 2026

At solar noon (12:33:49 PM) the sun reaches 45.0° above the horizon in San Bernardino. Without clouds, that corresponds to a maximum UV index of about 5.0 (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 San Bernardino, next 14 days

DateSun at noonClear-sky maxForecast max
45.0° 5.0 Moderate —
44.6° 5.0 Moderate —
44.3° 4.9 Moderate —
43.9° 4.8 Moderate —
43.6° 4.7 Moderate —
43.3° 4.7 Moderate —
42.9° 4.6 Moderate —
42.6° 4.5 Moderate —
42.3° 4.5 Moderate —
41.9° 4.4 Moderate —
41.6° 4.3 Moderate —
41.3° 4.3 Moderate —
41.0° 4.2 Moderate —
40.7° 4.1 Moderate —

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 San Bernardino 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 San Bernardino or discover the best light for photos during the golden hour in San Bernardino.

About San Bernardino

Located in the United States, San Bernardino serves as the county seat of San Bernardino County, California. The city encompasses an area of 160.5 square kilometers and sits at an elevation of 321 meters. As of 2020, the population was 222,101. The municipality has existed since 1854. Local landmarks include the California State University, San Bernardino, the site of the former US Festival, and the San Bernardino Santa Fe Depot. The city maintains twin town relationships with Herzliya, Villahermosa, Goyang, Ile Ife, and Roxas City. Various transit and cultural facilities, such as the San Bernardino Transit Center and the California Theatre of the Performing Arts, are also present.

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