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

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As of 1:13 PM PDT on October 15, 2026, all 29 cities in San Luis Obispo County, CA in our database have a UV Index reading of High. The city with the highest UV Index reading right now is Santa Margarita, CA with a reading of 6.

Over the next 24 hours, the highest UV Index reading in San Luis Obispo County, CA is expected to be 6 in Santa Margarita between 1:00 PM - 2:00 PM PDT today.

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

• Arroyo Grande - 5.9
• Atascadero - 5.9
• Avila Beach - 5.9
• Blacklake - 5.9
• California Polytechnic State University - 5.9
• Callender - 5.9
• Cambria - 5.8
• Cayucos - 5.8
• Creston - 6
• Edna - 6
• El Paso de Robles - 5.8
• Garden Farms - 6
• Grover Beach - 5.9
• Lake Nacimiento - 5.8
• Los Berros - 5.9
• Los Osos - 5.9
• Los Ranchos - 5.9
• Morro Bay - 5.9
• Nipomo - 5.9
• Oak Shores - 5.8
• Oceano - 5.9
• Pismo Beach - 5.9
• San Luis Obispo - 5.9
• San Simeon - 5.8
• Santa Margarita - 6
• Shandon - 5.9
• Templeton - 5.9
• Whitley Gardens - 5.9
• Woodlands - 5.9