UV Index for Key West, FL

Current Key West UV Index

0 (Low)

Last Updated 29 minutes ago

Hourly Key West UV Index

The hourly Key West, FL UV Index forecast for Saturday, February 21st, 2026.

5 Day Hourly Key West UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Key West, FL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Key West over the next five days will be 8.6 on Sunday, February 22nd at 12:00 pm.

The UV index forecast for Saturday, February 21st in Key West, FL is below.

Time UV Index Risk
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0
Low
8am 0.6
Low
9am 1.8
Low
10am 4.6
Moderate
11am 7
High
12pm 8.5
Very High
1pm 8.4
Very High
2pm 6.9
High
3pm 4.4
Moderate
4pm 2.1
Low
5pm 0.6
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, February 22nd in Key West, 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 0.7
Low
9am 2.3
Low
10am 4.7
Moderate
11am 7.1
High
12pm 8.6
Very High
1pm 8.6
Very High
2pm 7
High
3pm 4.5
Moderate
4pm 2.1
Low
5pm 0.6
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, February 23rd in Key West, 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 0.6
Low
9am 2.1
Low
10am 4.3
Moderate
11am 6.4
High
12pm 7.7
High
1pm 7.6
High
2pm 6.2
High
3pm 4
Moderate
4pm 2
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, February 24th in Key West, 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