UV Index for Sylvester, TX

Current Sylvester UV Index

0 (Low)

Last Updated 30 minutes ago

Hourly Sylvester UV Index

The hourly Sylvester, TX UV Index forecast for Sunday, August 24th, 2025.

5 Day Hourly Sylvester UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Sylvester, TX has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Sylvester over the next five days will be 10.3 on Monday, August 25th at 2:00 pm.

The UV index forecast for Sunday, August 24th in Sylvester, TX is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 1.1
Low
10am 2.9
Low
11am 5.5
Moderate
12pm 8.1
Very High
1pm 9.9
Very High
2pm 10.2
Very High
3pm 9
Very High
4pm 5.8
Moderate
5pm 3.7
Moderate
6pm 1.7
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 25th in Sylvester, 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 5.5
Moderate
12pm 8.1
Very High
1pm 9.9
Very High
2pm 10.3
Very High
3pm 9.1
Very High
4pm 6.7
High
5pm 4
Moderate
6pm 1.8
Low
7pm 0.5
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 26th in Sylvester, 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 5.5
Moderate
12pm 7.2
High
1pm 8.4
Very High
2pm 7.6
High
3pm 5.5
Moderate
4pm 4.8
Moderate
5pm 4
Moderate
6pm 1.8
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 27th in Sylvester, 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