UV Index for San Juan, TX

Current San Juan UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly San Juan UV Index

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

5 Day Hourly San Juan UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in San Juan, TX has 2 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in San Juan over the next five days will be 11.2 on Tuesday, August 26th at 2:00 pm.

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

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.1
Low
9am 0.6
Low
10am 1
Low
11am 1.4
Low
12pm 1.8
Low
1pm 3.6
Moderate
2pm 5.5
Moderate
3pm 5.2
Moderate
4pm 5.1
Moderate
5pm 3.5
Moderate
6pm 1.5
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 San Juan, 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 2.8
Low
11am 4.2
Moderate
12pm 7
High
1pm 10.5
Very High
2pm 11
Extreme
3pm 9.7
Very High
4pm 7
High
5pm 4
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 26th in San Juan, 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 1.3
Low
10am 3.4
Moderate
11am 6.4
High
12pm 9.2
Very High
1pm 11.1
Extreme
2pm 11.2
Extreme
3pm 9.8
Very High
4pm 7
High
5pm 4
Moderate
6pm 1.6
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 27th in San Juan, 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