2.2 (Low)
Last Updated 47 minutes ago
The hourly Johannesburg, CA UV Index forecast for Thursday, November 20th, 2025.
Last Updated 47 minutes ago
The UV index forecast for the next five days in Johannesburg, CA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Johannesburg over the next five days will be 3.4 on Sunday, November 23rd at 12:00 pm.
The UV index forecast for Thursday, November 20th in Johannesburg, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 11am | 2.8 |
Low |
| 12pm | 3 |
Moderate |
| 1pm | 1.7 |
Low |
| 2pm | 0.6 |
Low |
| 3pm | 0.1 |
Low |
| 4pm | 0 |
Low |
| 5pm | 0 |
Low |
| 6pm | 0 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Friday, November 21st in Johannesburg, 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 |
Low |
| 9am | 0.1 |
Low |
| 10am | 0.2 |
Low |
| 11am | 0.2 |
Low |
| 12pm | 0.3 |
Low |
| 1pm | 1 |
Low |
| 2pm | 0.5 |
Low |
| 3pm | 0.6 |
Low |
| 4pm | 0.2 |
Low |
| 5pm | 0 |
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, November 22nd in Johannesburg, 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 | 0.4 |
Low |
| 9am | 1.1 |
Low |
| 10am | 2.1 |
Low |
| 11am | 3 |
Moderate |
| 12pm | 3.2 |
Moderate |
| 1pm | 2.8 |
Low |
| 2pm | 1.9 |
Low |
| 3pm | 0.9 |
Low |
| 4pm | 0.2 |
Low |
| 5pm | 0 |
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, November 23rd in Johannesburg, 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 | 0.4 |
Low |
| 9am | 1.2 |
Low |
| 10am | 2.3 |
Low |
| 11am | 3.2 |
Moderate |
| 12pm | 3.4 |
Moderate |
| 1pm | 3 |
Moderate |
| 2pm | 2 |
Low |
| 3pm | 1 |
Low |
| 4pm | 0.2 |
Low |
| 5pm | 0 |
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, November 24th in Johannesburg, CA is below.
| Time | UV Index | Risk |
|---|---|---|
| 12am | 0 |
Low |
| 1am | 0 |
Low |
| 2am | 0 |
Low |
| 3am | 0 |
Low |
| 4am | 0 |
Low |