Arizona (AZ): Current UV Index and Hourly Forecast

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As of 12:40 AM MST on March 12, 2026, all 461 cities in Arizona in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Arizona is expected to be 8 in Greer between 12:00 PM - 1:00 PM MST today.

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UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Arizona as of 12:40 AM MST, March 12, 2026

Counties in Arizona (AZ)

Current UV Index in Major Cities in Arizona (AZ)

12:40 AM MST, March 12, 2026