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UV Index Forecast for Portland Harbour

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: 24 09 2026 13:06 UTC / Model: 20260923 12z / info

Friday 25 September (Today)

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

Sunrise: 06:59 / Sunset: 19:03 Twilight: 06:26 / 19:36

Saturday 26 September (Tomorrow)

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

Sunrise: 07:00 / Sunset: 19:01 Twilight: 06:28 / 19:34

Sunday 27 September

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

Sunrise: 07:02 / Sunset: 18:59 Twilight: 06:29 / 19:31

Monday 28 September

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

Sunrise: 07:03 / Sunset: 18:56 Twilight: 06:31 / 19:29

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