UV Index for Marco Island, FL

Current Marco Island UV Index

0.3 (Low)

Last Updated 30 minutes ago

Hourly Marco Island UV Index

The hourly Marco Island, FL UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Marco Island UV Index Forecast

Last Updated 20 hours ago

The UV index forecast for the next five days in Marco Island, FL has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Marco Island over the next five days will be 10.1 on Friday, September 19th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Marco Island, FL is below.

Time UV Index Risk
11am 0.7
Low
12pm 1.7
Low
1pm 2.2
Low
2pm 1.4
Low
3pm 2
Low
4pm 1.8
Low
5pm 1.5
Low
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 Friday, September 19th in Marco Island, 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 1.1
Low
10am 3.1
Moderate
11am 5.8
Moderate
12pm 8.5
Very High
1pm 10.1
Very High
2pm 10.1
Very High
3pm 8.3
Very High
4pm 5.6
Moderate
5pm 2.9
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Marco Island, 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 3
Moderate
11am 5.7
Moderate
12pm 8.4
Very High
1pm 9.9
Very High
2pm 10
Very High
3pm 8.3
Very High
4pm 5.6
Moderate
5pm 2.9
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 Sunday, September 21st in Marco Island, 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 0.1
Low