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

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As of 8:58 AM PST on December 4, 2025, all 29 cities in San Luis Obispo County, CA in our database 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 0.2.

Over the next 24 hours, the highest UV Index reading in San Luis Obispo County, CA is expected to be 2.7 in San Luis Obispo between 12:00 PM - 1:00 PM PST today.

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

• Arroyo Grande - 0.2
• Atascadero - 0.2
• Avila Beach - 0.2
• Blacklake - 0.2
• California Polytechnic State University - 0.2
• Callender - 0.2
• Cambria - 0.2
• Cayucos - 0.2
• Creston - 0.2
• Edna - 0.2
• El Paso de Robles - 0.2
• Garden Farms - 0.2
• Grover Beach - 0.2
• Lake Nacimiento - 0.2
• Los Berros - 0.2
• Los Osos - 0.2
• Los Ranchos - 0.2
• Morro Bay - 0.2
• Nipomo - 0.2
• Oak Shores - 0.2
• Oceano - 0.2
• Pismo Beach - 0.2
• San Luis Obispo - 0.2
• San Simeon - 0.2
• Santa Margarita - 0.2
• Shandon - 0.2
• Templeton - 0.2
• Whitley Gardens - 0.2
• Woodlands - 0.2