UV Index for SeaTac, WA

Current SeaTac UV Index

1 (Low)

Last Updated 8 minutes ago

Hourly SeaTac UV Index

The hourly SeaTac, WA UV Index forecast for Monday, June 23rd, 2025.

5 Day Hourly SeaTac UV Index Forecast

Last Updated 21 hours ago

The UV index forecast for the next five days in SeaTac, WA has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in SeaTac over the next five days will be 6.8 on Monday, June 23rd at 1:00 pm.

The UV index forecast for Monday, June 23rd in SeaTac, WA is below.

Time UV Index Risk
9am 2.2
Low
10am 3.7
Moderate
11am 5.2
Moderate
12pm 6.4
High
1pm 6.8
High
2pm 6.3
High
3pm 5.3
Moderate
4pm 3.8
Moderate
5pm 2.5
Low
6pm 1.4
Low
7pm 0.6
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, June 24th in SeaTac, WA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0.1
Low
7am 0.4
Low
8am 1.1
Low
9am 2.4
Low
10am 3.9
Moderate
11am 5.6
Moderate
12pm 6.5
High
1pm 6.8
High
2pm 6.7
High
3pm 4.8
Moderate
4pm 3.4
Moderate
5pm 1.6
Low
6pm 0.6
Low
7pm 0.3
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 25th in SeaTac, WA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.2
Low
9am 0.6
Low
10am 1.7
Low
11am 2.5
Low
12pm 3.4
Moderate
1pm 4.2
Moderate
2pm 4.6
Moderate
3pm 2.2
Low
4pm 0.9
Low
5pm 1.2
Low
6pm 0.4
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 26th in SeaTac, WA is below.

Time UV Index Risk
12am 0
Low
1am 0
Low
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low