UV Index for Portsmouth, MI

Current Portsmouth UV Index

0 (Low)

Last Updated 18 minutes ago

Hourly Portsmouth UV Index

The hourly Portsmouth, MI UV Index forecast for Friday, July 11th, 2025.

5 Day Hourly Portsmouth UV Index Forecast

Last Updated 13 hours ago

The UV index forecast for the next five days in Portsmouth, MI has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Portsmouth over the next five days will be 9.4 on Saturday, July 12th at 1:00 pm.

The UV index forecast for Friday, July 11th in Portsmouth, MI is below.

Time UV Index Risk
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.2
Low
8am 0.6
Low
9am 1.6
Low
10am 3.6
Moderate
11am 5.3
Moderate
12pm 7.1
High
1pm 8.4
Very High
2pm 4.8
Moderate
3pm 1.5
Low
4pm 0.5
Low
5pm 1.8
Low
6pm 1.4
Low
7pm 0.6
Low
8pm 0.3
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th in Portsmouth, MI 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 0.2
Low
8am 0.6
Low
9am 1.5
Low
10am 1.8
Low
11am 3.2
Moderate
12pm 6.8
High
1pm 9.4
Very High
2pm 9.3
Very High
3pm 8.7
Very High
4pm 6.5
High
5pm 4.3
Moderate
6pm 2.1
Low
7pm 0.9
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 13th in Portsmouth, MI 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 0.2
Low
8am 0.6
Low
9am 1.1
Low
10am 1.7
Low
11am 2.6
Low
12pm 7.1
High
1pm 8.5
Very High
2pm 8.5
Very High
3pm 7.2
High
4pm 5.7
Moderate
5pm 3.8
Moderate
6pm 1.9
Low
7pm 0.8
Low
8pm 0.2
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, July 14th in Portsmouth, MI 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 0.1
Low
8am 0.6
Low