UV Index for Darien, NY

Current Darien UV Index

1.4 (Low)

Last Updated 6 minutes ago

Hourly Darien UV Index

The hourly Darien, NY UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Darien UV Index Forecast

Last Updated 3 hours ago

The UV index forecast for the next five days in Darien, NY has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Darien over the next five days will be 6 on Thursday, September 18th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Darien, NY is below.

Time UV Index Risk
6pm 0.5
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 Darien, 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 0.1
Low
9am 0.4
Low
10am 1.2
Low
11am 2.4
Low
12pm 3.7
Moderate
1pm 5.8
Moderate
2pm 5.8
Moderate
3pm 4.6
Moderate
4pm 3
Moderate
5pm 1.5
Low
6pm 0.5
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 Darien, 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 2.2
Low
11am 3.9
Moderate
12pm 5.3
Moderate
1pm 6
High
2pm 5.8
Moderate
3pm 4.6
Moderate
4pm 3
Moderate
5pm 1.4
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Darien, 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 2
Low
11am 3.7
Moderate
12pm 4.9
Moderate
1pm 5.3
Moderate
2pm 5.2
Moderate
3pm 4.1
Moderate
4pm 2.8
Low
5pm 1.4
Low
6pm 0.4
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, September 22nd in Darien, 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