UV Index for Stony Brook, NY

Current Stony Brook UV Index

0.5 (Low)

Last Updated 13 minutes ago

Hourly Stony Brook UV Index

The hourly Stony Brook, NY UV Index forecast for Thursday, July 3rd, 2025.

5 Day Hourly Stony Brook UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Stony Brook, NY has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Stony Brook over the next five days will be 9.6 on Thursday, July 3rd at 1:00 pm.

The UV index forecast for Thursday, July 3rd in Stony Brook, NY is below.

Time UV Index Risk
8am 1.5
Low
9am 3.2
Moderate
10am 5.4
Moderate
11am 7.2
High
12pm 9.1
Very High
1pm 9.6
Very High
2pm 8.8
Very High
3pm 7
High
4pm 4.8
Moderate
5pm 2.7
Low
6pm 1.1
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in Stony Brook, NY 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 0.4
Low
8am 1.3
Low
9am 2.8
Low
10am 4.7
Moderate
11am 6.6
High
12pm 8.1
Very High
1pm 8.6
Very High
2pm 8
Very High
3pm 6.5
High
4pm 4.5
Moderate
5pm 2.6
Low
6pm 1.2
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 5th in Stony Brook, NY 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 0.5
Low
8am 1.4
Low
9am 3
Moderate
10am 5.1
Moderate
11am 7
High
12pm 8.2
Very High
1pm 8.6
Very High
2pm 7.9
High
3pm 6.7
High
4pm 4.3
Moderate
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 Sunday, July 6th in Stony Brook, NY 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 0.5
Low
8am 1.6
Low