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UV Index Forecast for San Francisco - Alameda
UV index is used to describe the strength of the sun's UV radiation. As a benchmark, 7 may occur on exceptional days and 8 is rare in the UK.
Updated: 23 10 2026 13:22 UTC / Model: 20261022 12z / info
Friday 23 October (Today)
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 1 |
| 10am | 3 |
| 11am | 4 |
| 12pm | 5 Exposure level |
| 13pm | 5 |
| 14pm | 4 |
| 15pm | 3 |
| 16pm | 1 |
| 17pm | 0 |
07:24 / 18:22 06:57 / 18:49
Saturday 24 October (Tomorrow)
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 1 |
| 10am | 2 |
| 11am | 4 |
| 12pm | 5 Exposure level |
| 13pm | 5 |
| 14pm | 4 |
| 15pm | 2 |
| 16pm | 1 |
| 17pm | 0 |
07:25 / 18:21 06:58 / 18:47
Sunday 25 October
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 1 |
| 10am | 2 |
| 11am | 4 |
| 12pm | 5 Exposure level |
| 13pm | 5 |
| 14pm | 4 |
| 15pm | 2 |
| 16pm | 1 |
| 17pm | 0 |
07:26 / 18:19 06:59 / 18:46
Monday 26 October
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 1 |
| 10am | 2 |
| 11am | 4 |
| 12pm | 5 Exposure level |
| 13pm | 5 |
| 14pm | 4 |
| 15pm | 2 |
| 16pm | 1 |
| 17pm | 0 |
07:27 / 18:18 07:00 / 18:45
1-2 | 3-5 | 6-7 | 8-10 | 11 |
