UV Index for La Mesa, CA

Current La Mesa UV Index

0 (Low)

Last Updated 3 minutes ago

Hourly La Mesa UV Index

The hourly La Mesa, CA UV Index forecast for Friday, October 24th, 2025.

5 Day Hourly La Mesa UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in La Mesa, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in La Mesa over the next five days will be 5.4 on Friday, October 24th at 1:00 pm.

The UV index forecast for Friday, October 24th in La Mesa, CA is below.

Time UV Index Risk
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.2
Low
9am 0.9
Low
10am 2.2
Low
11am 3.8
Moderate
12pm 5
Moderate
1pm 5.4
Moderate
2pm 4.7
Moderate
3pm 3.3
Moderate
4pm 1.7
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, October 25th in La Mesa, CA 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 0.8
Low
10am 2.2
Low
11am 3.7
Moderate
12pm 4.9
Moderate
1pm 5.3
Moderate
2pm 4.6
Moderate
3pm 3.2
Moderate
4pm 1.6
Low
5pm 0.5
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, October 26th in La Mesa, CA 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 0.8
Low
10am 2.2
Low
11am 3.8
Moderate
12pm 5
Moderate
1pm 5.3
Moderate
2pm 4.6
Moderate
3pm 3.2
Moderate
4pm 1.6
Low
5pm 0.5
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, October 27th in La Mesa, CA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low