UV Index for St. George, UT

Current St. George UV Index

0 (Low)

Last Updated 41 minutes ago

Hourly St. George UV Index

The hourly St. George, UT UV Index forecast for Saturday, August 2nd, 2025.

5 Day Hourly St. George UV Index Forecast

Last Updated 14 hours ago

The UV index forecast for the next five days in St. George, UT has 2 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in St. George over the next five days will be 11.4 on Sunday, August 3rd at 2:00 pm.

The UV index forecast for Saturday, August 2nd in St. George, UT is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.6
Low
9am 1.8
Low
10am 4
Moderate
11am 6.6
High
12pm 9.2
Very High
1pm 10.9
Very High
2pm 11.1
Extreme
3pm 9.7
Very High
4pm 7.4
High
5pm 4.6
Moderate
6pm 2.2
Low
7pm 0.8
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 3rd in St. George, UT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.6
Low
9am 1.9
Low
10am 4.1
Moderate
11am 6.9
High
12pm 9.5
Very High
1pm 11.2
Extreme
2pm 11.4
Extreme
3pm 10
Very High
4pm 7.5
High
5pm 4.6
Moderate
6pm 2.2
Low
7pm 0.8
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 4th in St. George, UT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.5
Low
9am 1.8
Low
10am 3.9
Moderate
11am 6.2
High
12pm 8.4
Very High
1pm 10.5
Very High
2pm 10.8
Very High
3pm 9.5
Very High
4pm 7
High
5pm 4.4
Moderate
6pm 2.1
Low
7pm 0.7
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 5th in St. George, UT is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low