UV Index for Sebastian, FL

Current Sebastian UV Index

7.2 (High)

Last Updated 37 minutes ago

Hourly Sebastian UV Index

The hourly Sebastian, FL UV Index forecast for Thursday, August 21st, 2025.

5 Day Hourly Sebastian UV Index Forecast

Last Updated 1 day ago

The UV index forecast for the next five days in Sebastian, FL has 3 days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Sebastian over the next five days will be 11.2 on Thursday, August 21st at 1:00 pm.

The UV index forecast for Thursday, August 21st in Sebastian, FL is below.

Time UV Index Risk
4pm 3.4
Moderate
5pm 1
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, August 22nd in Sebastian, FL 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 1.8
Low
10am 4.1
Moderate
11am 7.1
High
12pm 9.8
Very High
1pm 11.2
Extreme
2pm 11
Extreme
3pm 9.2
Very High
4pm 5.4
Moderate
5pm 2.7
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, August 23rd in Sebastian, FL 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 1.7
Low
10am 4.1
Moderate
11am 7.1
High
12pm 9.8
Very High
1pm 11.2
Extreme
2pm 11
Extreme
3pm 9.2
Very High
4pm 6.3
High
5pm 3.1
Moderate
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 24th in Sebastian, FL 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