UV Index for Siesta Key, FL

Current Siesta Key UV Index

4.1 (Moderate)

Last Updated 2 minutes ago

Hourly Siesta Key UV Index

The hourly Siesta Key, FL UV Index forecast for Friday, December 5th, 2025.

5 Day Hourly Siesta Key UV Index Forecast

Last Updated 22 hours ago

The UV index forecast for the next five days in Siesta Key, FL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Siesta Key over the next five days will be 5.2 on Friday, December 5th at 1:00 pm.

The UV index forecast for Friday, December 5th in Siesta Key, FL is below.

Time UV Index Risk
12pm 5.1
Moderate
1pm 5.2
Moderate
2pm 4.2
Moderate
3pm 2.6
Low
4pm 1.1
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, December 6th in Siesta Key, 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 0.2
Low
9am 1
Low
10am 2.5
Low
11am 4.1
Moderate
12pm 5.2
Moderate
1pm 5.2
Moderate
2pm 4.2
Moderate
3pm 2.6
Low
4pm 1.1
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, December 7th in Siesta Key, 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 0.2
Low
9am 1
Low
10am 2.4
Low
11am 4.1
Moderate
12pm 5.1
Moderate
1pm 5.2
Moderate
2pm 3.7
Moderate
3pm 2.2
Low
4pm 1
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, December 8th in Siesta Key, 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