Marana, AZ: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Marana, Pima County, Arizona (AZ). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
12:43 PM MST

7.5Risk: Very High

(Updated 43 minutes ago.)

As of 12:43 PM MST, the UV Index in Marana, AZ is 7.5 (Very High).
The UV Index is expected to fall to 6.8 (High) between 1:00 PM - 2:00 PM MST today.

Hourly UV Index Forecast for Today
Tuesday, April 1, 2025

6 AM9 AM12 PM3 PM6 PM9 PMMountain Standard Time (MST)0123456789101112Current Time: 12:43 PM, MST

UV Index Data sourced from the NOAA.


As of 12:43 PM MST today in Marana, AZ, the UV Index is currently at its highest level for the day, 7.5, which is classified as very high risk. As the day progresses, the UV index is expected to fall as the sun sets.

It will return to moderate levels at 3:00 PM and then drop to low levels again from 4:00 PM onwards. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Marana, AZ

Today

Time RangeUV IndexRisk
6:00 AM - 10:00 AM (MST)0 - 2.3
Low
10:00 AM - 11:00 AM4.4
Moderate
11:00 AM - 12:00 PM6.7
High
12:00 PM - 1:00 PM7.5
Very High
1:00 PM - 3:00 PM5.5 - 6.8
High
3:00 PM - 4:00 PM3.9
Moderate
4:00 PM - 12:00 AM0 - 2.1
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 10:00 AM (MST)0 - 2.4
Low
10:00 AM - 11:00 AM4.2
Moderate
11:00 AM - 2:00 PM5.9 - 6.7
High
2:00 PM - 4:00 PM3 - 3.9
Moderate
4:00 PM - 12:00 AM0 - 1.2
Low

Detailed Hourly Marana UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
12:00 PM - 1:00 PM (Now, MST)7.5
Very High
1:00 PM - 2:00 PM 6.8
High
2:00 PM - 3:00 PM 5.5
High
3:00 PM - 4:00 PM 3.9
Moderate
4:00 PM - 5:00 PM 2.1
Low
5:00 PM - 6:00 PM 0.7
Low
6:00 PM - 7:00 PM 0.1
Low
7:00 PM - 8:00 PM 0
Low
8:00 PM - 9:00 PM 0
Low
9:00 PM - 10:00 PM 0
Low
10:00 PM - 11:00 PM 0
Low
11:00 PM - 12:00 AM 0
Low

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