Untether the summer weather
3 ways to turn a summer session in to a session of a lifetime.
UV Index Forecast for Grafham Water
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: 16 10 2026 13:06 UTC / Model: 20261015 12z / info
Saturday 17 October (Today)
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 0 |
| 10am | 0 |
| 11am | 1 |
| 12pm | 1 Exposure level |
| 13pm | 2 |
| 14pm | 2 |
| 15pm | 1 |
| 16pm | 1 |
| 17pm | 0 |
07:28 / 18:04 06:54 / 18:39
Sunday 18 October (Tomorrow)
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 0 |
| 10am | 1 |
| 11am | 2 |
| 12pm | 2 Exposure level |
| 13pm | 3 |
| 14pm | 3 |
| 15pm | 2 |
| 16pm | 1 |
| 17pm | 0 |
07:30 / 18:02 06:55 / 18:37
Monday 19 October
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 0 |
| 10am | 1 |
| 11am | 2 |
| 12pm | 2 Exposure level |
| 13pm | 2 |
| 14pm | 2 |
| 15pm | 2 |
| 16pm | 1 |
| 17pm | 0 |
07:31 / 18:00 06:57 / 18:35
Tuesday 20 October
| 07am | 0 |
|---|---|
| 08am | 0 |
| 09am | 0 |
| 10am | 0 |
| 11am | 0 |
07:33 / 17:58 06:59 / 18:33
1-2 | 3-5 | 6-7 | 8-10 | 11 |
