UV Index for Marietta, IL

Current Marietta UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly Marietta UV Index

The hourly Marietta, IL UV Index forecast for Sunday, August 31st, 2025.

5 Day Hourly Marietta UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Marietta, IL has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Marietta over the next five days will be 7 on Tuesday, September 2nd at 1:00 pm.

The UV index forecast for Sunday, August 31st in Marietta, IL is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 1st in Marietta, IL 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 0.4
Low
9am 1.4
Low
10am 2.8
Low
11am 4.6
Moderate
12pm 6.2
High
1pm 6.5
High
2pm 6
High
3pm 4.8
Moderate
4pm 3.1
Moderate
5pm 1.6
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, September 2nd in Marietta, IL 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 0.5
Low
9am 1.6
Low
10am 3.2
Moderate
11am 5
Moderate
12pm 6.4
High
1pm 7
High
2pm 6.5
High
3pm 5.1
Moderate
4pm 3.3
Moderate
5pm 1.7
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, September 3rd in Marietta, IL 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 0.5
Low
9am 1.6
Low
10am 3.2
Moderate
11am 5
Moderate
12pm 6.5
High
1pm 6.8
High
2pm 5.4
Moderate
3pm 1.9
Low
4pm 0.3
Low
5pm 0.1
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, September 4th in Marietta, IL 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