Seattle, Washington, United States

Get the UV Index hourly forecast for today, tomorrow and the next 15 days for Seattle, Washington, United States, The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated hourly.

Current UV Index
12:45 am

Low0

UV INDEX

Hourly UV Index Forecast for Today
May 30, 2025

0
6:00 am
2
7:00 am
3
8:00 am
5
9:00 am
6
10:00 am
8
11:00 am
9
12:00 pm
9
1:00 pm
9
2:00 pm
8
3:00 pm
8
4:00 pm
6
5:00 pm
4
6:00 pm
3
7:00 pm
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

As of 12:45 am today in Seattle, Washington, United States, the UV Index is currently at a Low level of 0.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Seattle, Washington, United States.

Today

Time Range UV Index Risk
6:00 am 0
Low
7:00 am 2
Low
8:00 am 3
Moderate
9:00 am 5
Moderate
10:00 am 6
High
11:00 am 8
High
12:00 pm 9
High
1:00 pm 9
Moderate
2:00 pm 9
Moderate
3:00 pm 8
Low
4:00 pm 8
Low
5:00 pm 6
Low
6:00 pm 4
Low
7:00 pm 3
Low

Tomorrow

Time Range UV Index Risk
6:00 am 0
Low
7:00 am 2
Low
8:00 am 3
Moderate
9:00 am 4
Moderate
10:00 am 6
High
11:00 am 7
High
12:00 pm 6
High
1:00 pm 4
Moderate
2:00 pm 3
Moderate
3:00 pm 2
Low
4:00 pm 2
Low
5:00 pm 2
Low
6:00 pm 1
Low
7:00 pm 1
Low

Daily Seattle UV Index Forecast for the next 15 days:

9
30 May
7
31 May
9
1 Jun
9
2 Jun
9
3 Jun
8
4 Jun
7
5 Jun
7
6 Jun
9
7 Jun
9
8 Jun
9
9 Jun
9
10 Jun
8
11 Jun
7
12 Jun
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

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