UV Index for New Canaan, CT

Current New Canaan UV Index

8.2 (Very High)

Last Updated 49 minutes ago

Hourly New Canaan UV Index

The hourly New Canaan, CT UV Index forecast for Saturday, August 9th, 2025.

5 Day Hourly New Canaan UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in New Canaan, CT has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in New Canaan over the next five days will be 8.2 on Saturday, August 9th at 1:00 pm.

The UV index forecast for Saturday, August 9th in New Canaan, CT is below.

Time UV Index Risk
2pm 7.5
High
3pm 5.9
Moderate
4pm 3.9
Moderate
5pm 2.1
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, August 10th in New Canaan, CT 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 0.3
Low
8am 1
Low
9am 2.4
Low
10am 4.3
Moderate
11am 6.3
High
12pm 7.8
High
1pm 8.2
Very High
2pm 7.6
High
3pm 5.9
Moderate
4pm 3.9
Moderate
5pm 2
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, August 11th in New Canaan, CT 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 1
Low
9am 2.3
Low
10am 4.2
Moderate
11am 6
High
12pm 7.4
High
1pm 7.7
High
2pm 7
High
3pm 5.2
Moderate
4pm 3.1
Moderate
5pm 1.6
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 12th in New Canaan, CT 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 1
Low
12pm 7.7
High
1pm 8.2
Very High
2pm 7.5
High
3pm 5.9
Moderate
4pm 3.9
Moderate
5pm 2
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low