UV Index for El Cajon, CA

Current El Cajon UV Index

0 (Low)

Last Updated 4 minutes ago

Hourly El Cajon UV Index

The hourly El Cajon, CA UV Index forecast for Tuesday, July 1st, 2025.

5 Day Hourly El Cajon UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in El Cajon, CA has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in El Cajon over the next five days will be 11.5 on Tuesday, July 1st at 1:00 pm.

The UV index forecast for Tuesday, July 1st in El Cajon, CA is below.

Time UV Index Risk
6am 0
Low
7am 0.5
Low
8am 1.7
Low
9am 3.7
Moderate
10am 6.4
High
11am 9.1
Very High
12pm 11
Extreme
1pm 11.5
Extreme
2pm 10.4
Very High
3pm 8.2
Very High
4pm 5.4
Moderate
5pm 2.8
Low
6pm 1.1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 2nd in El Cajon, 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 0.5
Low
8am 1.6
Low
9am 3.6
Moderate
10am 6.3
High
11am 8.9
Very High
12pm 10.7
Very High
1pm 11.2
Extreme
2pm 10.1
Very High
3pm 7.9
High
4pm 5.2
Moderate
5pm 2.7
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 3rd in El Cajon, 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 0.5
Low
8am 1.7
Low
9am 3.8
Moderate
10am 6.6
High
11am 9.2
Very High
12pm 11.1
Extreme
1pm 11.5
Extreme
2pm 10.6
Very High
3pm 8.3
Very High
4pm 5.4
Moderate
5pm 2.8
Low
6pm 1.1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in El Cajon, 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