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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: 16 07 2026 13:06 UTC / Model: 20260715 12z / info

Thursday 16 July (Today)

06am
0
07am
0
08am
1
09am
2
10am
4
11am
6
12pm
7
Exposure level
13pm
8
14pm
7
15pm
6
16pm
4
17pm
3

Sunrise: 05:14 / Sunset: 21:17 Twilight: 04:31 / 22:00

Friday 17 July (Tomorrow)

06am
0
07am
0
08am
1
09am
2
10am
4
11am
6
12pm
7
Exposure level
13pm
7
14pm
7
15pm
6
16pm
4
17pm
3

Sunrise: 05:15 / Sunset: 21:16 Twilight: 04:32 / 21:59

Saturday 18 July

06am
0
07am
0
08am
1
09am
2
10am
4
11am
6
12pm
7
Exposure level
13pm
8
14pm
7
15pm
6
16pm
4
17pm
3

Sunrise: 05:16 / Sunset: 21:15 Twilight: 04:33 / 21:58

Sunday 19 July

06am
0
07am
0
08am
1
09am
2
10am
4
11am
6
12pm
7
Exposure level
13pm
8
14pm
7
15pm
6
16pm
4
17pm
3

Sunrise: 05:17 / Sunset: 21:14 Twilight: 04:35 / 21:56

Monday 20 July

06am
0
07am
0
08am
1
09am
1
10am
2
11am
4

Sunrise: 05:19 / Sunset: 21:13 Twilight: 04:36 / 21:55

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