UV Index for Old Lyme, CT

Current Old Lyme UV Index

1.6 (Low)

Last Updated 5 minutes ago

Hourly Old Lyme UV Index

The hourly Old Lyme, CT UV Index forecast for Wednesday, December 17th, 2025.

5 Day Hourly Old Lyme UV Index Forecast

Last Updated 23 hours ago

The UV index forecast for the next five days in Old Lyme, CT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Old Lyme over the next five days will be 1.6 on Wednesday, December 17th at 11:00 am.

The UV index forecast for Wednesday, December 17th in Old Lyme, CT is below.

Time UV Index Risk
1pm 1.4
Low
2pm 0.9
Low
3pm 0.4
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, December 18th in Old Lyme, 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
Low
8am 0.1
Low
9am 0.4
Low
10am 1
Low
11am 1.4
Low
12pm 1.6
Low
1pm 1.3
Low
2pm 0.8
Low
3pm 0.4
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, December 19th in Old Lyme, 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
Low
8am 0
Low
9am 0
Low
10am 0.1
Low
11am 0
Low
12pm 0.3
Low
1pm 0.9
Low
2pm 0.8
Low
3pm 0.3
Low
4pm 0
Low
5pm 0
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, December 20th in Old Lyme, 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
Low