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UV Index Forecast for Portsmouth waterfront

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: 13 09 2026 13:06 UTC / Model: 20260912 12z / info

Monday 14 September (Today)

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

Sunrise: 06:36 / Sunset: 19:22 Twilight: 06:03 / 19:56

Tuesday 15 September (Tomorrow)

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

Sunrise: 06:38 / Sunset: 19:20 Twilight: 06:05 / 19:53

Wednesday 16 September

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

Sunrise: 06:39 / Sunset: 19:18 Twilight: 06:06 / 19:51

Thursday 17 September

06am
0
07am
0
08am
0
09am
1
10am
2
11am
3

Sunrise: 06:41 / Sunset: 19:16 Twilight: 06:08 / 19:49

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