UV Index for Stony Brook, NY

Current Stony Brook UV Index

0 (Low)

Last Updated 11 minutes ago

Hourly Stony Brook UV Index

The hourly Stony Brook, NY UV Index forecast for Friday, August 22nd, 2025.

5 Day Hourly Stony Brook UV Index Forecast

Last Updated 6 hours ago

The UV index forecast for the next five days in Stony Brook, NY has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Stony Brook over the next five days will be 8.4 on Friday, August 22nd at 1:00 pm.

The UV index forecast for Friday, August 22nd in Stony Brook, NY is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, August 23rd 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 0.2
Low
8am 0.8
Low
9am 2.2
Low
10am 4.2
Moderate
11am 6.2
High
12pm 7.4
High
1pm 8.2
Very High
2pm 7.5
High
3pm 5.8
Moderate
4pm 3.7
Moderate
5pm 1.9
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 24th 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 0.2
Low
8am 0.8
Low
9am 2.2
Low
10am 4.1
Moderate
11am 6.1
High
12pm 7.6
High
1pm 8.2
Very High
2pm 7.4
High
3pm 5.8
Moderate
4pm 3.7
Moderate
5pm 1.9
Low
6pm 0.6
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 25th 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 0.2
Low
8am 0.8
Low
9am 2.1
Low
10am 4
Moderate
11am 6
High
12pm 7.4
High
1pm 8
Very High
2pm 7.3
High
3pm 5.6
Moderate
4pm 3.6
Moderate
5pm 1.8
Low
6pm 0.6
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 26th 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 0.2
Low
8am 0.8
Low