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UV Index Forecast for Seattle

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: 21 07 2026 13:12 UTC / Model: 20260720 12z / info

Tuesday 21 July (Today)

06am
0
07am
1
08am
2
09am
3
10am
6
11am
7
12pm
9
Exposure level
13pm
8
14pm
6
15pm
3
16pm
2
17pm
1

Sunrise: 05:39 / Sunset: 20:52 Twilight: 05:03 / 21:28

Wednesday 22 July (Tomorrow)

06am
0
07am
1
08am
2
09am
4
10am
5
11am
7
12pm
8
Exposure level
13pm
8
14pm
5
15pm
3
16pm
3
17pm
2

Sunrise: 05:40 / Sunset: 20:51 Twilight: 05:04 / 21:26

Thursday 23 July

06am
0
07am
0
08am
1
09am
2
10am
4
11am
6
12pm
7
Exposure level
13pm
8
14pm
7
15pm
5
16pm
3
17pm
2

Sunrise: 05:41 / Sunset: 20:50 Twilight: 05:06 / 21:25

Friday 24 July

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

Sunrise: 05:42 / Sunset: 20:49 Twilight: 05:07 / 21:24

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