UV Index for San Leon, TX

Current San Leon UV Index

2.3 (Low)

Last Updated 23 minutes ago

Hourly San Leon UV Index

The hourly San Leon, TX UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly San Leon UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in San Leon, TX has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in San Leon over the next five days will be 9.2 on Friday, September 19th at 1:00 pm.

The UV index forecast for Thursday, September 18th in San Leon, TX is below.

Time UV Index Risk
6pm 0.8
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 San Leon, 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 0.2
Low
9am 1.2
Low
10am 3
Moderate
11am 5.6
Moderate
12pm 7.9
High
1pm 9.2
Very High
2pm 9
Very High
3pm 7.3
High
4pm 4.8
Moderate
5pm 2.4
Low
6pm 0.8
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 San Leon, 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 0.2
Low
9am 1.2
Low
10am 3.1
Moderate
11am 5.6
Moderate
12pm 8
Very High
1pm 9.2
Very High
2pm 8.8
Very High
3pm 6.9
High
4pm 4.5
Moderate
5pm 2.2
Low
6pm 0.7
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in San Leon, 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 0.2
Low
9am 1.1
Low
10am 3
Moderate
11am 5.4
Moderate
12pm 7.8
High
1pm 9
Very High
2pm 8.8
Very High
3pm 7.1
High
4pm 4.6
Moderate
5pm 2.3
Low
6pm 0.7
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 22nd in San Leon, 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