UV Index for Key Largo, FL

Current Key Largo UV Index

0 (Low)

Last Updated 52 minutes ago

Hourly Key Largo UV Index

The hourly Key Largo, FL UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Key Largo UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Key Largo, FL has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Key Largo over the next five days will be 10.3 on Friday, September 19th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Key Largo, FL is below.

Time UV Index Risk
8am 0.2
Low
9am 0.6
Low
10am 1.2
Low
11am 2.5
Low
12pm 2.2
Low
1pm 1.8
Low
2pm 1
Low
3pm 1
Low
4pm 0.7
Low
5pm 0.4
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, September 19th in Key Largo, 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 2.8
Low
11am 5.2
Moderate
12pm 8.4
Very High
1pm 10.3
Very High
2pm 10.1
Very High
3pm 8.2
Very High
4pm 5.4
Moderate
5pm 2.5
Low
6pm 0.7
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Key Largo, 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 1.2
Low
10am 3.3
Moderate
11am 6.1
High
12pm 8.6
Very High
1pm 10.1
Very High
2pm 9.9
Very High
3pm 8.1
Very High
4pm 5.4
Moderate
5pm 2.7
Low
6pm 0.9
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Key Largo, 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