UV Index for Castle Hills, TX

Current Castle Hills UV Index

0.4 (Low)

Last Updated 10 seconds ago

Hourly Castle Hills UV Index

The hourly Castle Hills, TX UV Index forecast for Friday, December 5th, 2025.

5 Day Hourly Castle Hills UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Castle Hills, TX has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Castle Hills over the next five days will be 3.9 on Sunday, December 7th at 1:00 pm.

The UV index forecast for Friday, December 5th in Castle Hills, TX is below.

Time UV Index Risk
11am 0.4
Low
12pm 0.5
Low
1pm 0.6
Low
2pm 0.3
Low
3pm 0.7
Low
4pm 0.7
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, December 6th 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 0.1
Low
9am 0.6
Low
10am 1.4
Low
11am 1.8
Low
12pm 3.1
Moderate
1pm 3.6
Moderate
2pm 2.9
Low
3pm 1.7
Low
4pm 0.8
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, December 7th 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 0.1
Low
9am 0.7
Low
10am 1.7
Low
11am 3
Moderate
12pm 3.8
Moderate
1pm 3.9
Moderate
2pm 3.2
Moderate
3pm 2
Low
4pm 0.9
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, December 8th 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