UV Index for Hat Island, WA

Current Hat Island UV Index

2.7 (Low)

Last Updated 22 minutes ago

Hourly Hat Island UV Index

The hourly Hat Island, WA UV Index forecast for Friday, August 29th, 2025.

5 Day Hourly Hat Island UV Index Forecast

Last Updated 5 hours ago

The UV index forecast for the next five days in Hat Island, WA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Hat Island over the next five days will be 6.2 on Saturday, August 30th at 1:00 pm.

The UV index forecast for Friday, August 29th in Hat Island, WA is below.

Time UV Index Risk
5pm 1.5
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, August 30th in Hat Island, 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
Low
8am 0.5
Low
9am 1.4
Low
10am 2.6
Low
11am 4
Moderate
12pm 5.3
Moderate
1pm 6.2
High
2pm 5.7
Moderate
3pm 4.5
Moderate
4pm 3
Moderate
5pm 0.8
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 31st in Hat Island, 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
Low
8am 0.4
Low
9am 1.2
Low
10am 2.4
Low
11am 3.9
Moderate
12pm 5
Moderate
1pm 5.7
Moderate
2pm 5.3
Moderate
3pm 4.2
Moderate
4pm 2.9
Low
5pm 1.5
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 1st in Hat Island, 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
Low
8am 0.4
Low
9am 1
Low
10am 2.2
Low
11am 3.1
Moderate
12pm 4.1
Moderate
1pm 4.8
Moderate
2pm 4.2
Moderate
3pm 2.9
Low
4pm 2
Low
5pm 1.2
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 2nd in Hat Island, 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