San Mateo County, CA: Current UV Index and Hourly Forecast

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As of 10:53 AM PST on November 15, 2024, all 33 cities in San Mateo County, CA in our database have a UV Index reading of Low. The city with the highest UV Index reading right now is San Mateo, CA with a reading of 1.3.

Over the next 24 hours, the highest UV Index reading in San Mateo County, CA is expected to be 2.4 in Portola Valley between 12:00 PM - 1:00 PM PST today.

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Current UV Index in Cities in San Mateo County, CA

• Atherton - 1.3
• Baywood Park - 1.3
• Belmont - 1.3
• Brisbane - 1.2
• Broadmoor - 1.2
• Burlingame - 1.3
• Colma - 1.2
• Daly City - 1.2
• East Palo Alto - 1.3
• El Granada - 1.3
• Emerald Lake Hills - 1.3
• Foster City - 1.3
• Half Moon Bay - 1.3
• Highlands - 1.3
• Hillsborough - 1.3
• La Honda - 1.3
• Ladera - 1.3
• Loma Mar - 1.3
• Menlo Park - 1.3
• Millbrae - 1.3
• Montara - 1.3
• Moss Beach - 1.3
• North Fair Oaks - 1.3
• Pacifica - 1.3
• Pescadero - 1.3
• Portola Valley - 1.3
• Redwood City - 1.3
• San Bruno - 1.2
• San Carlos - 1.3
• San Mateo - 1.3
• South San Francisco - 1.2
• West Menlo Park - 1.3
• Woodside - 1.3