UV Index for Mercer, ME

Current Mercer UV Index

0 (Low)

Last Updated 14 minutes ago

Hourly Mercer UV Index

The hourly Mercer, ME UV Index forecast for Thursday, July 17th, 2025.

5 Day Hourly Mercer UV Index Forecast

Last Updated 15 hours ago

The UV index forecast for the next five days in Mercer, ME has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Mercer over the next five days will be 8.9 on Friday, July 18th at 1:00 pm.

The UV index forecast for Thursday, July 17th in Mercer, ME is below.

Time UV Index Risk
6am 0.2
Low
7am 0.5
Low
8am 1.7
Low
9am 3.3
Moderate
10am 5.4
Moderate
11am 7.2
High
12pm 8.6
Very High
1pm 0.9
Low
2pm 1
Low
3pm 6
High
4pm 2
Low
5pm 2.4
Low
6pm 1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 18th in Mercer, ME 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 0.1
Low
7am 0.5
Low
8am 1
Low
9am 3.5
Moderate
10am 5.6
Moderate
11am 7.5
High
12pm 8.7
Very High
1pm 8.9
Very High
2pm 8
Very High
3pm 6.2
High
4pm 4.1
Moderate
5pm 2.2
Low
6pm 1
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 19th in Mercer, ME 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 0.2
Low
7am 0.6
Low
8am 1.7
Low
9am 3.2
Moderate
10am 5.1
Moderate
11am 6.8
High
12pm 7.8
High
1pm 7.1
High
2pm 5.5
Moderate
3pm 2.3
Low
4pm 1.4
Low
5pm 2
Low
6pm 0.5
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 20th in Mercer, ME 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 0.2
Low
7am 0.6
Low
8am 1.4
Low