UV Index for Castle Hills, TX

Current Castle Hills UV Index

0 (Low)

Last Updated 2 minutes ago

Hourly Castle Hills UV Index

The hourly Castle Hills, TX UV Index forecast for Tuesday, October 21st, 2025.

5 Day Hourly Castle Hills UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Castle Hills, TX has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Castle Hills over the next five days will be 6.9 on Thursday, October 23rd at 2:00 pm.

The UV index forecast for Tuesday, October 21st in Castle Hills, TX is below.

Time UV Index Risk
7am 0
Low
8am 0
Low
9am 0.4
Low
10am 1.4
Low
11am 3.2
Moderate
12pm 5.1
Moderate
1pm 6.5
High
2pm 6.7
High
3pm 5.6
Moderate
4pm 2.8
Low
5pm 0.9
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 22nd in Castle Hills, TX 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
Low
9am 0.1
Low
10am 0.6
Low
11am 2.7
Low
12pm 3.3
Moderate
1pm 2.9
Low
2pm 3.3
Moderate
3pm 4
Moderate
4pm 3.6
Moderate
5pm 1.7
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 23rd in Castle Hills, TX 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
Low
9am 0.3
Low
10am 1.3
Low
11am 3.3
Moderate
12pm 5.3
Moderate
1pm 6.7
High
2pm 6.9
High
3pm 5.7
Moderate
4pm 3.8
Moderate
5pm 1.8
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, October 24th in Castle Hills, TX 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