UV Index for Holliston, MA

Current Holliston UV Index

0 (Low)

Last Updated 9 minutes ago

Hourly Holliston UV Index

The hourly Holliston, MA UV Index forecast for Wednesday, July 9th, 2025.

5 Day Hourly Holliston UV Index Forecast

Last Updated 16 hours ago

The UV index forecast for the next five days in Holliston, MA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Holliston over the next five days will be 7.9 on Wednesday, July 9th at 2:00 pm.

The UV index forecast for Wednesday, July 9th in Holliston, MA is below.

Time UV Index Risk
7am 0.1
Low
8am 0.3
Low
9am 0.9
Low
10am 2.3
Low
11am 3.9
Moderate
12pm 4.6
Moderate
1pm 6.4
High
2pm 7.9
High
3pm 4.8
Moderate
4pm 1.7
Low
5pm 0.8
Low
6pm 0.7
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 10th in Holliston, MA 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
9am 0.3
Low
10am 0.5
Low
11am 1.1
Low
12pm 1.5
Low
1pm 1.1
Low
2pm 1.3
Low
3pm 1.7
Low
4pm 2.6
Low
5pm 1
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 11th in Holliston, MA 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 0.2
Low
8am 0.4
Low
9am 0.7
Low
10am 1.2
Low
11am 1.7
Low
12pm 1.8
Low
1pm 2
Low
2pm 3.5
Moderate
3pm 3.5
Moderate
4pm 2.1
Low
5pm 1.5
Low
6pm 0.7
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 12th in Holliston, MA 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 0.6
Low
8am 1.2
Low