To customise your experience, sign in or sign up:

Remember me

UV Index Forecast for Birsay Bay

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: 28 07 2026 13:06 UTC / Model: 20260727 12z / info

Wednesday 29 July (Today)

06am
0
07am
0
08am
0
09am
1
10am
1
11am
4
12pm
6
Exposure level
13pm
6
14pm
6
15pm
5
16pm
4
17pm
2

Sunrise: 04:51 / Sunset: 21:48 Twilight: 03:51 / 22:48

Thursday 30 July (Tomorrow)

06am
0
07am
0
08am
1
09am
2
10am
3
11am
4
12pm
6
Exposure level
13pm
6
14pm
6
15pm
5
16pm
4
17pm
2

Sunrise: 04:53 / Sunset: 21:46 Twilight: 03:54 / 22:45

Friday 31 July

06am
0
07am
0
08am
1
09am
2
10am
3
11am
5
12pm
6
Exposure level
13pm
6
14pm
6
15pm
5
16pm
4
17pm
2

Sunrise: 04:55 / Sunset: 21:43 Twilight: 03:57 / 22:42

Saturday 1 August

06am
0
07am
0
08am
0
09am
1
10am
1
11am
2

Sunrise: 04:57 / Sunset: 21:41 Twilight: 04:00 / 22:39

UV Index key
1-2
3-5
6-7
8-10
11