UV Index for Joshua Tree, CA

Current Joshua Tree UV Index

0 (Low)

Last Updated 59 minutes ago

Hourly Joshua Tree UV Index

The hourly Joshua Tree, CA UV Index forecast for Wednesday, September 17th, 2025.

5 Day Hourly Joshua Tree UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Joshua Tree, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Joshua Tree over the next five days will be 8.9 on Thursday, September 18th at 1:00 pm.

The UV index forecast for Wednesday, September 17th in Joshua Tree, CA is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.6
Low
9am 1.4
Low
10am 4.2
Moderate
11am 6.4
High
12pm 7.9
High
1pm 7.3
High
2pm 7.5
High
3pm 5
Moderate
4pm 2.4
Low
5pm 1.2
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 18th in Joshua Tree, CA 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 2.1
Low
10am 4.4
Moderate
11am 6.6
High
12pm 8.4
Very High
1pm 8.9
Very High
2pm 7.8
High
3pm 5.6
Moderate
4pm 3
Moderate
5pm 0.9
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Joshua Tree, CA 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 2.1
Low
10am 4.3
Moderate
11am 6.7
High
12pm 8.4
Very High
1pm 8.8
Very High
2pm 7.7
High
3pm 5.6
Moderate
4pm 3.2
Moderate
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Joshua Tree, CA is below.

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