UV Index for Stony Brook, NY

Current Stony Brook UV Index

0 (Low)

Last Updated 35 minutes ago

Hourly Stony Brook UV Index

The hourly Stony Brook, NY UV Index forecast for Monday, October 6th, 2025.

5 Day Hourly Stony Brook UV Index Forecast

Last Updated 8 hours ago

The UV index forecast for the next five days in Stony Brook, NY has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Stony Brook over the next five days will be 5.2 on Monday, October 6th at 1:00 pm.

The UV index forecast for Monday, October 6th in Stony Brook, NY is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Tuesday, October 7th 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
Low
8am 0.2
Low
9am 0.9
Low
10am 2.1
Low
11am 3.6
Moderate
12pm 4.7
Moderate
1pm 5.1
Moderate
2pm 4.2
Moderate
3pm 3.1
Moderate
4pm 1.6
Low
5pm 0.7
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 Wednesday, October 8th 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
Low
8am 0
Low
9am 0.1
Low
10am 0.2
Low
11am 0.4
Low
12pm 1.6
Low
1pm 1.6
Low
2pm 2
Low
3pm 1.4
Low
4pm 0.6
Low
5pm 0.3
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, October 9th 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
Low
8am 0.2
Low
9am 0.8
Low
10am 1.8
Low
11am 3.1
Moderate
12pm 4.1
Moderate
1pm 4.4
Moderate
2pm 4
Moderate
3pm 2.8
Low
4pm 1.6
Low
5pm 0.6
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 Friday, October 10th 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
Low
8am 0.2
Low