San Luis Obispo County, CA: Current UV Index and Hourly Forecast

• USA →
• California →
• San Luis Obispo County

As of 5:54 PM PDT on August 19, 2025, out of 29 cities in San Luis Obispo County, CA in our database, 21 cities (72%) have a UV Index reading of Moderate, while 8 cities (28%) have a UV Index reading of Low. The city with the highest UV Index reading right now is El Paso de Robles, CA with a reading of 2.6.

Over the next 24 hours, the highest UV Index reading in San Luis Obispo County, CA is expected to be 10.2 in Edna between 1:00 PM - 2:00 PM PDT tomorrow.

Search Cities in San Luis Obispo County, CA

Current UV Index in Cities in San Luis Obispo County, CA

• Arroyo Grande - 2.4
• Atascadero - 2.6
• Avila Beach - 2.5
• Blacklake - 2.4
• California Polytechnic State University - 2.5
• Callender - 2.4
• Cambria - 2.6
• Cayucos - 2.6
• Creston - 2.5
• Edna - 2.5
• El Paso de Robles - 2.6
• Garden Farms - 2.5
• Grover Beach - 2.4
• Lake Nacimiento - 2.6
• Los Berros - 2.4
• Los Osos - 2.5
• Los Ranchos - 2.5
• Morro Bay - 2.5
• Nipomo - 2.4
• Oak Shores - 2.6
• Oceano - 2.4
• Pismo Beach - 2.5
• San Luis Obispo - 2.5
• San Simeon - 2.6
• Santa Margarita - 2.5
• Shandon - 2.5
• Templeton - 2.6
• Whitley Gardens - 2.5
• Woodlands - 2.4