UV Index for Katy, TX

Current Katy UV Index

0 (Low)

Last Updated 16 minutes ago

Hourly Katy UV Index

The hourly Katy, TX UV Index forecast for Wednesday, April 16th, 2025.

5 Day Hourly Katy UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in Katy, TX has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Katy over the next five days will be 10.5 on Thursday, April 17th at 1:00 pm.

The UV index forecast for Wednesday, April 16th in Katy, TX is below.

Time UV Index Risk
8am 0.4
Low
9am 1.5
Low
10am 3.6
Moderate
11am 6.1
High
12pm 8.8
Very High
1pm 10.2
Very High
2pm 10
Very High
3pm 8.3
Very High
4pm 5.8
Moderate
5pm 3.2
Moderate
6pm 1.2
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, April 17th in Katy, 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 0.4
Low
9am 1.6
Low
10am 3.7
Moderate
11am 6.5
High
12pm 9
Very High
1pm 10.5
Very High
2pm 10.2
Very High
3pm 8.5
Very High
4pm 6
High
5pm 3.2
Moderate
6pm 1.3
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, April 18th in Katy, 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 0.3
Low
9am 1.1
Low
10am 3.4
Moderate
11am 6.2
High
12pm 8
Very High
1pm 9.4
Very High
2pm 7.3
High
3pm 8
Very High
4pm 5.1
Moderate
5pm 2.8
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 19th in Katy, 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