UV Index for Key West, FL

Current Key West UV Index

0 (Low)

Last Updated 37 minutes ago

Hourly Key West UV Index

The hourly Key West, FL UV Index forecast for Monday, December 22nd, 2025.

5 Day Hourly Key West UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Key West, FL has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Key West over the next five days will be 5.3 on Monday, December 22nd at 12:00 pm.

The UV index forecast for Monday, December 22nd in Key West, FL is below.

Time UV Index Risk
7am 0
Low
8am 0.3
Low
9am 1.1
Low
10am 2.6
Low
11am 4.2
Moderate
12pm 5.3
Moderate
1pm 5.3
Moderate
2pm 4.3
Moderate
3pm 2.6
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 Tuesday, December 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 0.2
Low
9am 0.8
Low
10am 1.7
Low
11am 3.2
Moderate
12pm 3.2
Moderate
1pm 4.8
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 Wednesday, December 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
8am 0.3
Low
9am 1.2
Low
10am 2.7
Low
11am 4.3
Moderate
12pm 5.3
Moderate
1pm 5.3
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 Thursday, December 25th 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