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The hourly Nassau, NY UV Index forecast for Wednesday, September 17th, 2025.
Last Updated 19 hours ago
The UV index forecast for the next five days in Nassau, NY has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in Nassau over the next five days will be 6.1 on Wednesday, September 17th at 1:00 pm.
The UV index forecast for Wednesday, September 17th in Nassau, NY is below.
Time | UV Index | Risk |
---|---|---|
10am | 2.3 |
Low |
11am | 3.9 |
Moderate |
12pm | 5.4 |
Moderate |
1pm | 6.1 |
High |
2pm | 5.5 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 2.5 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, September 18th in Nassau, 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 | 0.3 |
Low |
9am | 1 |
Low |
10am | 2.3 |
Low |
11am | 4.1 |
Moderate |
12pm | 5.4 |
Moderate |
1pm | 5.9 |
Moderate |
2pm | 5.3 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Nassau, 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 | 0.4 |
Low |
9am | 1.2 |
Low |
10am | 2.6 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.4 |
Moderate |
1pm | 5.9 |
Moderate |
2pm | 5.4 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1.1 |
Low |
6pm | 0.3 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Nassau, 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 | 0.4 |
Low |