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Last Updated 44 minutes ago
The hourly Santa Ana, CA UV Index forecast for Friday, July 4th, 2025.
Last Updated 15 hours ago
The UV index forecast for the next five days in Santa Ana, CA has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Santa Ana over the next five days will be 11.8 on Saturday, July 5th at 1:00 pm.
The UV index forecast for Friday, July 4th in Santa Ana, CA is below.
Time | UV Index | Risk |
---|---|---|
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.4 |
Low |
8am | 1.5 |
Low |
9am | 3.4 |
Moderate |
10am | 6 |
High |
11am | 8.6 |
Very High |
12pm | 10.6 |
Very High |
1pm | 11.2 |
Extreme |
2pm | 10.3 |
Very High |
3pm | 8.2 |
Very High |
4pm | 5.5 |
Moderate |
5pm | 3 |
Moderate |
6pm | 1.2 |
Low |
7pm | 0.3 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, July 5th in Santa Ana, 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 | 3.7 |
Moderate |
10am | 6.5 |
High |
11am | 9.2 |
Very High |
12pm | 11.2 |
Extreme |
1pm | 11.8 |
Extreme |
2pm | 10.8 |
Very High |
3pm | 8.6 |
Very High |
4pm | 5.7 |
Moderate |
5pm | 3 |
Moderate |
6pm | 1.2 |
Low |
7pm | 0.3 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, July 6th in Santa Ana, 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 | 0.4 |
Low |
8am | 1.6 |
Low |
9am | 3.6 |
Moderate |
10am | 6.4 |
High |
11am | 9 |
Very High |
12pm | 10.9 |
Very High |
1pm | 11.4 |
Extreme |
2pm | 10.5 |
Very High |
3pm | 8.3 |
Very High |
4pm | 5.6 |
Moderate |
5pm | 3 |
Moderate |
6pm | 1.2 |
Low |
7pm | 0.3 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Monday, July 7th in Santa Ana, 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 |