UV Index for Los Altos, TX

Current Los Altos UV Index

0 (Low)

Last Updated 37 minutes ago

Hourly Los Altos UV Index

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

5 Day Hourly Los Altos UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Los Altos, TX has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Los Altos over the next five days will be 11.2 on Monday, August 25th at 2:00 pm.

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

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 1.2
Low
10am 3.3
Moderate
11am 6.2
High
12pm 9
Very High
1pm 10.9
Very High
2pm 11.1
Extreme
3pm 5
Moderate
4pm 1.3
Low
5pm 0.5
Low
6pm 0.2
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 25th in Los Altos, 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 3.3
Moderate
11am 6.2
High
12pm 9.1
Very High
1pm 11
Extreme
2pm 11.2
Extreme
3pm 9.7
Very High
4pm 7
High
5pm 4
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 Tuesday, August 26th in Los Altos, 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 3.3
Moderate
11am 6.2
High
12pm 9
Very High
1pm 10.9
Very High
2pm 11.1
Extreme
3pm 9.6
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 Wednesday, August 27th in Los Altos, 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