UV Index for Las Vegas, NV

Current Las Vegas UV Index

5.8 (Moderate)

Last Updated 40 minutes ago

Hourly Las Vegas UV Index

The hourly Las Vegas, NV UV Index forecast for Sunday, August 17th, 2025.

5 Day Hourly Las Vegas UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in Las Vegas, NV has 1 day reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Las Vegas over the next five days will be 11.2 on Monday, August 18th at 1:00 pm.

The UV index forecast for Sunday, August 17th in Las Vegas, NV is below.

Time UV Index Risk
11am 8.4
Very High
12pm 10.2
Very High
1pm 10.5
Very High
2pm 9.3
Very High
3pm 7
High
4pm 4.3
Moderate
5pm 2
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 18th in Las Vegas, NV 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 0.4
Low
8am 1.4
Low
9am 3.4
Moderate
10am 6.2
High
11am 8.9
Very High
12pm 10.8
Very High
1pm 11.2
Extreme
2pm 9.8
Very High
3pm 7.4
High
4pm 4.5
Moderate
5pm 2.1
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 19th in Las Vegas, NV 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 0.3
Low
8am 1.3
Low
9am 3.2
Moderate
10am 6
High
11am 8.6
Very High
12pm 10.4
Very High
1pm 10.8
Very High
2pm 9.6
Very High
3pm 7.2
High
4pm 4.4
Moderate
5pm 2
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 20th in Las Vegas, NV is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
View Historical UV Index Data