Marriott-Slaterville, UT: Current UV Index and Hourly Forecast

On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Marriott-Slaterville, Weber County, Utah (UT). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.

Current UV Index
2:43 PM MST

1.1Risk: Low

(Updated 43 minutes ago.)

As of 2:43 PM MST, the UV Index in Marriott-Slaterville, UT is 1.1 (Low).
The UV Index is expected to fall to 0.6 (still Low) between 3:00 PM - 4:00 PM MST today.

Hourly UV Index Forecast for Today
Sunday, December 28, 2025

6 AM9 AM12 PM3 PM6 PM9 PMMountain Standard Time (MST)0123456789101112Current Time: 2:43 PM, MST

UV Index Data sourced from the NOAA.


As of 2:43 PM MST today in Marriott-Slaterville, UT, the UV Index is currently at a low level of 1.1. As the day progresses, the UV index is expected to fall as the sun sets.

The UV Index will return to low levels of 0.6 at 3:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 5:00 PM.


Summary of Hourly UV Index Forecast for Today and Tomorrow in Marriott-Slaterville, UT

Today

Time RangeUV IndexRisk
6:00 AM - 12:00 AM (MST)0 - 1.4
Low

Tomorrow

Time RangeUV IndexRisk
12:00 AM - 12:00 AM (MST)0 - 1.6
Low

Detailed Hourly Marriott-Slaterville UV Index Forecast for the next 5 days

Download CSV (Excel) ↓
TimeUV IndexRisk
2:00 PM - 3:00 PM (Now, MST)1.1
Low
3:00 PM - 4:00 PM 0.6
Low
4:00 PM - 5:00 PM 0.2
Low
5:00 PM - 6:00 PM 0
Low
6:00 PM - 7:00 PM 0
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

Current UV Index in Nearby Cities