UV Index for Riverton, UT

Current Riverton UV Index

7 (High)

Last Updated 2 minutes ago

Hourly Riverton UV Index

The hourly Riverton, UT UV Index forecast for Tuesday, September 2nd, 2025.

5 Day Hourly Riverton UV Index Forecast

Last Updated 3 hours ago

The UV index forecast for the next five days in Riverton, UT has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Riverton over the next five days will be 8.3 on Tuesday, September 2nd at 1:00 pm.

The UV index forecast for Tuesday, September 2nd in Riverton, UT is below.

Time UV Index Risk
4pm 5
Moderate
5pm 2.8
Low
6pm 1.1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 3rd in Riverton, 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 0.3
Low
9am 1.1
Low
10am 2.8
Low
11am 5.1
Moderate
12pm 7.1
High
1pm 8.3
Very High
2pm 8.3
Very High
3pm 7
High
4pm 4.9
Moderate
5pm 2.7
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 4th in Riverton, 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 0.3
Low
9am 1.2
Low
10am 2.8
Low
11am 4.9
Moderate
12pm 6.6
High
1pm 7.6
High
2pm 7.3
High
3pm 6.2
High
4pm 4.4
Moderate
5pm 2.6
Low
6pm 1.1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 5th in Riverton, 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 0.3
Low
9am 1
Low
10am 2.6
Low
11am 4.8
Moderate
12pm 6.8
High
1pm 8
Very High
2pm 8
Very High
3pm 5
Moderate
4pm 0.6
Low
5pm 0.5
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 6th in Riverton, 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