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Last Updated 5 minutes ago
The hourly Imperial Beach, CA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 17 hours ago
The UV index forecast for the next five days in Imperial Beach, CA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Imperial Beach over the next five days will be 8.6 on Friday, September 19th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Imperial Beach, CA is below.
Time | UV Index | Risk |
---|---|---|
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.4 |
Low |
9am | 1.1 |
Low |
10am | 2.5 |
Low |
11am | 4 |
Moderate |
12pm | 3.9 |
Moderate |
1pm | 6.8 |
High |
2pm | 7.8 |
High |
3pm | 5.6 |
Moderate |
4pm | 2.9 |
Low |
5pm | 1.3 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Imperial Beach, 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 | 0.5 |
Low |
9am | 1.8 |
Low |
10am | 4 |
Moderate |
11am | 6.2 |
High |
12pm | 8 |
Very High |
1pm | 8.6 |
Very High |
2pm | 7.6 |
High |
3pm | 5.6 |
Moderate |
4pm | 3.2 |
Moderate |
5pm | 1.3 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Imperial Beach, 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 | 0.5 |
Low |
9am | 1.8 |
Low |
10am | 3.9 |
Moderate |
11am | 6.2 |
High |
12pm | 8 |
Very High |
1pm | 8.5 |
Very High |
2pm | 7.6 |
High |
3pm | 5.6 |
Moderate |
4pm | 3.2 |
Moderate |
5pm | 1.3 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Imperial Beach, 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 |