UV Index for St. Marks, FL

Current St. Marks UV Index

0.3 (Low)

Last Updated 46 minutes ago

Hourly St. Marks UV Index

The hourly St. Marks, FL UV Index forecast for Friday, April 25th, 2025.

5 Day Hourly St. Marks UV Index Forecast

Last Updated 18 hours ago

The UV index forecast for the next five days in St. Marks, FL has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in St. Marks over the next five days will be 9.9 on Sunday, April 27th at 2:00 pm.

The UV index forecast for Friday, April 25th in St. Marks, FL is below.

Time UV Index Risk
9am 1.2
Low
10am 2.9
Low
11am 5.3
Moderate
12pm 7.7
High
1pm 9.3
Very High
2pm 9.3
Very High
3pm 8.1
Very High
4pm 5.8
Moderate
5pm 3.5
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, April 26th in St. Marks, 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 1.1
Low
10am 2.8
Low
11am 5.1
Moderate
12pm 7.6
High
1pm 9
Very High
2pm 9.6
Very High
3pm 8.4
Very High
4pm 6.2
High
5pm 3.6
Moderate
6pm 1.6
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, April 27th in St. Marks, 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 1.3
Low
10am 3.2
Moderate
11am 5.7
Moderate
12pm 8
Very High
1pm 9.6
Very High
2pm 9.9
Very High
3pm 7.8
High
4pm 3.4
Moderate
5pm 0.8
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 Monday, April 28th in St. Marks, 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